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Sushrut

Hinduism had many scholar and brilliant sages who gave much knowledge of science, Mathematics, Astronomy, cosmoogy, Medicines etc from their work. Here is the list of 11 Hindu sages who did remarkable work in the field of Science, in no perticular order.

1) Aryabhatta

Aryabhatta
Aryabhatta

Aryabhata was the first in the line of great mathematician-astronomers from the classical age of Indian mathematics and Indian astronomy. He is the author of several treatises on mathematics and astronomy.
His major work, Aryabhatiya, a compendium of mathematics and astronomy, was extensively referred to in the Indian mathematical literature and has survived to modern times. The mathematical part of the Aryabhatiya covers arithmetic, algebra, plane trigonometry, and spherical trigonometry. It also contains continued fractions, quadratic equations, sums-of-power series, and a table of sines.
He formulated the process of calculating the motion of planets and the time of eclipses.
2) Bharadwaj

Rishi Bharadwaj
Rishi Bharadwaj

Acharya Bharadwaj is the writer and founder Ayurveda and mechanical sciences. He authored the ” Yantra Sarvasva ” which includes astonishing and outstanding discoveries in aviation science, space science and flying machines.

Also read:
Was first discovered by Hindus Ep IV : Time dilation

3) Baudhayana

Rishi Baudhayana
Rishi Baudhayana

Baudhayana was the author of the Baudhayana sutras, which cover dharma, daily ritual, mathematics, etc.

He was the author of the earliest Sulba Sutra—appendices to the Vedas giving rules for the construction of altars—called the Baudhayana Sulbasutra. These are notable from the point of view of mathematics, for containing several important mathematical results, including giving a value of pi to some degree of precision, and stating a version of what is now known as the Pythagorean theorem.

Sequences associated with primitive Pythagorean triples have been named Baudhayana sequences. These sequences have been used in cryptography as random sequences and for the generation of keys.

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Was first discovered by Hindus Ep I : Pythagoras theorem

4) Bhaskaracharya

Rishi Bhaskaracharya
Rishi Bhaskaracharya

Bhaskaracharya was an Indian mathematician and astronomer. his works represent a significant contribution to mathematical and astronomical knowledge in the 12th century.  His main work Siddhanta Shiromani deal with arithmetic, algebra, mathematics of the planets, and spheres respectively.
Bhaskaracharya’s work on calculus predates Newton and Leibniz by over half a millennium. He is particularly known in the discovery of the principles of differential calculus and its application to astronomical problems and computations. While Newton and Leibniz have been credited with differential and integral calculus, there is strong evidence to suggest that Bhaskaracharya was a pioneer in some of the principles of differential calculus. He was perhaps the first to conceive the differential coefficient and differential calculus.

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5) Charak

Rishi Charak
Rishi Charak

Acharya Charak has been crowned as the Father of Medicine. His renowned work, the ” Charak Samhita “, is considered as an encyclopedia of Ayurveda. His principles, diagoneses, and cures retain their potency and truth even after a couple of millennia. When the science of anatomy was confused with different theories in Europe , Acharya Charak revealed through his innate genius and enquiries the facts on human anatomy, embryology, pharmacology, blood circulation and diseases like diabetes, tuberculosis, heart disease, etc. In the ” Charak Samhita ” he has described the medicinal qualities and functions of 100,000 herbal plants. He has emphasized the influence of diet and activity on mind and body. He has proved the correlation of spirituality and physical health contributed greatly to diagnostic and curative sciences. He has also prescribed and ethical charter for medical practitioners two centuries prior to the Hippocratic oath. Through his genius and intuition, Acharya Charak made landmark contributions to Ayurvedal. He forever remains etched in the annals of history as one of the greatest and noblest of rishi-scientists.
6) Kanad

Rishi Kanada
Rishi Kanada

Kanada was a Hindu sage and philosopher who founded the philosophical school of Vaisheshika and authored the text Vaisheshika Sutra.

His primary area of study was Rasavadam, considered to be a type of alchemy. He is said to have believed that all living beings are composed of five elements: water, fire, earth, air, Aether (classical element). Vegetables have only water, insects have water and fire, birds have water, fire, earth and air, and Humans, the top of the creation, have ether—the sense of discrimination (time, space, mind) are one.

He says, “Every object of creation is made of atoms which in turn connect with each other to form molecules.” His statement ushered in the Atomic Theory for the first time ever in the world. Kanad has also described the dimension and motion of atoms and their chemical reactions with each other.
7) Kapil

Rishi Kapil
Rishi Kapil

He gifted the world with the Sankhya School of Thought. His pioneering work threw light on the nature and principles of the ultimate Soul (Purusha), primal matter (Prakruti) and creation. His concept of transformation of energy and profound commentaries on atma, non-atma and the subtle elements of the cosmos places him in an elite class of master achievers – incomparable to the discoveries of other cosmologists. On his assertion that Prakruti, with the inspiration of Purusha, is the mother of cosmic creation and all energies, he contributed a new chapter in the science of cosmology.
8) Nagarjuna

Rishi Nagarjuna
Rishi Nagarjuna

Nagarjna’s dedicated research for twelve years produced maiden discoveries and inventions in the faculties of chemistry and metallurgy. Textual masterpieces like ” Ras Ratnakar ,” “Rashrudaya” and “Rasendramangal” are his renowned contributions to the science of chemistry. Nagarjuna had also said to have discovered the alchemy of transmuting base metals into gold.
9) Patanjali  

Patanjali
Patanjali

patanjali prescribed the control of prana (life breath) as the means to control the body, mind and soul. This subsequently rewards one with good health and inner happiness. Acharya Patanjali ‘s 84 yogic postures effectively enhance the efficiency of the respiratory, circulatory, nervous, digestive and endocrine systems and many other organs of the body. Yoga has eight limbs where Acharya Patanjali shows the attainment of the ultimate bliss of God in samadhi through the disciplines of: yam, niyam, asan, pranayam, pratyahar, dhyan and dharna.
10) Sushrut

Sushrut
Sushrut

Sushruta is an ancient Indian surgeon commonly attributed to as the author of the treatise Sushruta Samhita. He is dubbed as the “founding father of surgery” and the Sushrut Samhita is identified as one of the best and outstanding commentary on Medical Science of Surgery.

Sushruta in his book Sushruta Samhita discusses surgical techniques of making incisions, probing, extraction of foreign bodies, alkali and thermal cauterization, tooth extraction, excisions, and trocars for draining abscess, draining hydrocele and ascitic fluid, the removal of the prostate gland, urethral stricture dilatation, vesiculolithotomy, hernia surgery, caesarian section, management of haemorrhoids, fistulae, laparotomy and management of intestinal obstruction, perforated intestines, and accidental perforation of the abdomen with protrusion of omentum and the principles of fracture management, viz., traction, manipulation, appositions and stabilization including some measures of rehabilitation and fitting of prosthetics. It enumerates six types of dislocations, twelve varieties of fractures, and classification of the bones and their reaction to the injuries, and gives a classification of eye diseases including cataract surgery.
11) Varahmihir

Varahmihir
Varahmihir

Varamihir is a renowned astrologer and astronomer who was honored with a special decoration and status as one of the nine gems in the court of King Vikramaditya in Avanti ( Ujjain ). Varahamihir’ s book “panchsiddhant” holds a prominent place in the realm of astronomy. He notes that the moon and planets are lustrous not because of their own light but due to sunlight. In the ” Bruhad Samhita ” and ” Bruhad Jatak ,” he has revealed his discoveries in the domains of geography, constellation, science, botany and animal science. In his treatise on botanical science, Varamihir presents cures for various diseases afflicting plants and trees.

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Brahma the creator

At the beginning of the process of creation, Brahma creates the four Kumaras or the Chatursana. However, they refused his order to procreate and instead devote themselves, to Vishnu and celibacy.

He then proceeds to create from his mind ten sons or Prajapatis, who are believed to be the fathers of the human race. But since all these sons were born out of his mind rather than body, they are called Manas Putras or mind-sons or spirits.

Brahma the creator
Brahma the creator

Brahma had ten sons and one daughter:

1. Marichi Rishi

Rishi Marichi or Mareechi or Marishi (meaning a ray of light) is the son of Brahma. He is also one of the Saptarshi (Seven Great Sages Rishi), in the First Manvantara, with others being Atri Rishi, Angiras Rishi, Pulaha Rishi, Kratu Rishi, Pulastya Rishi, and Vashishtha.
Family: Marichi is married to Kala and gave birth to Kashyap

2. Atri Rishi

Atri or Attri is a legendary bard and scholar. Rishi Atri is said to be ancestor of some Brahmin, Prajapatis, kshatriya and Vaishya communities who adopt Atri as their gotra. Atri is the Saptarishis (Seven Great Sages Rishi) in the seventh, i.e. the present Manvantara.
Family: When the sons of Brahma were destroyed by a curse of Shiva, Atri was born again from the flames of a sacrifice performed by Brahma. His wife in both manifestations was Anasuya. She bore him three sons, Datta, Durvasas, and Soma, in his first life, and a son Aryaman (Nobility), and a daughter, Amala (Purity), in the second. Soma, Datta and Durvasa, are the incarnations of the Divine Trinity Brahma, Vishnu, and Rudra (Shiva) respectively.

3. Angirasa Rishi

Angirasa  is a rishi who, along with sage Atharvan, is credited to have formulated (“heard”) most of the fourth Veda called Atharvaveda. He is also mentioned in the other three Vedas.
Family: His wife is Surupa and his sons are Utathya, Samvartana and Brihaspati

4. Pulaha Rishi

He was born from the navel of Lord Brahma. He was burned due to a curse made by Lord Shiva, then was born again in Vaivasvata Manvantara, this time from Agni’s hair.
Family:During his birth in the first Manvantara, Rishi Pulaha was married to another of Daksha’s daughters, Kshama (Apology). Together they had three sons, Kardama, Kanakapeetha and Urvarivat, and a daughter named Peevari.

5. Pulutsya Rishi

He was the medium through which some of the Puranas were communicated to man. He received the Vishnu Purana from Brahma and communicated it to Parashara, who made it known to mankind. He was one of the Saptarishis in the first Manvantara.
Family: He was father of Visravas who was the father of Kubera and Ravana, and all the Rakshasas are supposed to have sprung from him. Pulastya Rishi was married to one of Kardam ji’s nine daughters named Havirbhoo. Pulastya Rishi had two sons – Maharshi Agastya and Visravas. Vishravaa had two wives: one was Kekasi who gave birth to Ravana, Kumbhakarna and Vibhishana; and another was Ilavida and had a son named Kuber.

6. Krathu Rishi

Kratu which appears in two different ages. In the Swayanbhuva Manvantara. Krathu was a Prajapati and a very dear son of Lord Brahma. He was also the son-in-law of Prajapati Daksha.
Family:His wife was named Santhati. It is said that he had 60,000 children. They were named as included in the Valakhilyas.

Rishi Kratu was again born in the Vaivaswata Manvantara because of Lord Shiva’s boon. In this Manvantara he had no family. It is said that he was born from the hand of Lord Brahma. As he had no family and no children, Kratu adopted Agastya’s son, Idhvaaha. Kratu is considered as one of the Bhargavas.

7. Vashistha

Vashistha is one of the Saptarishis in the seventh, i.e. the present Manvantara.  He had in his possession the divine cow Kamadhenu, and Nandini her child, who could grant anything to their owners.
Vashistha is credited as the chief author of Mandala 7 of the Rigveda. Vashistha and his family are glorified in RV 7.33, extolling their role in the Battle of the Ten Kings, making him the only mortal besides Bhava to have a Rigvedic hymn dedicated to him. Another treatise attributed to him is “Vashistha Samhita” – a book on the Vedic system of electional astrology.
Family:  Arundhati is the name of the wife of Vashista.
In cosmology Mizar star is known as Vashistha and Alcor star is known as Arundhati in traditional Indian astronomy. The pair is considered to symbolise marriage and, in some Hindu communities, priests conducting a wedding ceremony allude to or point out the constellation as a symbol of the closeness marriage brings to a couple. Since Vasishta was married to Arundathi, he was also called Arundathi Natha, meaning the husband of Arundathi.

8. Prachethasa

Prachetasa is considered to be one of the most mysterious figures of Hindu mythology. According to the puranas Prachetasa was one of the 10 Prajapatis who were ancient sages and law gives. But there is also a reference to 10 Prachetas who were sons of Prachinabarthis and great grandsons of Prithu. It is said that they lived for 10,000 years in a great ocean, very deeply engaged in meditation upon Vishnu and obtained from Him the boon of becoming the progenitors of mankind.
Family: They married a girl named Manisha, a daughter of Kanclu . Daksha was their son.

9. Bhrigu

Maharrishi Bhirgu is the first compiler of predictive astrology, and also the author of Bhrigu Samhita, the astrological (Jyotish) classic.The adjectival form of the name, Bhargava, is used to refer to the descendants and the school of Bhrigu. Along with Manu, Bhrigu had made important contributions to ‘Manusmriti’, which was constituted out of a sermon to a congregation of saints in the state of Brahmavarta, after the great floods in this area, nearly 10,000 years ago.
Family:He was married to Khyati, the daughter of Daksha. He had two sons by her, named Dhata and Vidhata. His daughter Sri or Bhargavi, married Vishnu

10. Narada Muni

Narada is a Vedic sage who plays a prominent role in a number of Hindu texts, notably the Ramayana and the Bhagavata Purana. Narada is arguably ancient India’s most travelled sage with the ability to visit distant worlds and realms. He is depicted carrying a Veena, with the name Mahathi and is generally regarded as one of the great masters of the ancient musical instrument. Narada is described as both wise and mischievous, creating some of Vedic literature’s more humorous tales. Vaishnav enthusiasts depict him as a pure, elevated soul who glorifies Vishnu through his devotional songs, singing the names Hari and Narayana, and therein demonstrating bhakti yoga.

11. Shatarupa

Brahma had one daughter Named Shatrupa- (one who can take hundred forms) born from various parts of his body. She is said to the first woman created by Lord Brahma. Shatarupa is the female portion of Brahma.

When Brahma created Shatarupa, Brahma followed her wherever she went. To avoid Brahma following her Shatarupa then moved in various directions. In whichever direction she went, Brahma developed another head until he had four, one for each direction of the compass. Shatarupa tried every way to stay out of Brahma’s gaze. However a fifth head appeared and this is how Brahma developed five heads. At this moment Lord Shiva came and cut off the top head of Brahma as it is misdeed and incestuous of Brahma to become obsessed with her, as Shatarupa was her daughter. Lord Shiva ordered that Brahma would not be worshipped for his offence. Since then Brahma has been reciting the four Vedas, one from every mouth in remorse.

What is the Story Behind Kumbh Mela - hindufaqs.com

History: It is described that while Durvasa Muni was passing on the road, he saw Indra on the back of his elephant and was pleased to offer Indra a garland from his own neck. Indra, however, being too puffed up, took the garland, and without respect for Durvasa Muni, he placed it on the trunk of his carrier elephant. The elephant, being an animal, could not understand the value of the garland, and thus the elephant threw the garland between its legs and smashed it. Seeing this insulting behavior, Durvasa Muni immediately cursed Indra to be poverty-stricken, bereft of all material opulence. Thus the demigods, afflicted on one side by the fighting demons and on the other by the curse of Durvasa Muni, lost all the material opulence’s in the three worlds.

kumbh Mela, Worlds biggest peaceful gathering | Hindu FAQs
kumbh Mela, Worlds biggest peaceful gathering

Lord Indra, Varuna and the other demigods, seeing their lives in such a state, consulted among themselves, but they could not find any solution. Then all the demigods assembled and went together to the peak of Sumeru Mountain. There, in the assembly of Lord Brahma, they fell down to offer Lord Brahma their obeisances, and then they informed him of all the incidents that had taken place.

Upon seeing that the demigods were bereft of all influence and strength and that the three worlds were consequently devoid of auspiciousness, and upon seeing that the demigods were in an awkward position whereas all the demons were flourishing, Lord Brahma, who is above all the demigods and who is most powerful, concentrated his mind on the Supreme Personality of Godhead. Thus being encouraged, he became bright-faced and spoke to the demigods as follows.
Lord Brahma said: I, Lord Siva, all of you demigods, the demons, the living entities born of perspiration, the living beings born of eggs, the trees and plants sprouting from the earth, and the living entities born from embryos—all come from the Supreme Lord, from His incarnation of rajo-guna [Lord Brahma, the guna-avatara] and from the great sages [rishs] who are part of me. Let us therefore go to the Supreme Lord and take shelter of His lotus feet.

Brahma | Hindu FAQs
Brahma

For the Supreme Personality of Godhead there is no one to be killed, no one to be protected, no one to be neglected and no one to be worshiped. Nonetheless, for the sake of creation, maintenance and annihilation according to time, He accepts different forms as incarnations either in the mode of goodness, the mode of passion or the mode of ignorance.

after Lord Brahma finished speaking to the demigods, he took them with him to the abode of the Supreme Personality of Godhead, which is beyond this material world. The Lord’s abode is on an island called Svetadvipa, which is situated in the ocean of milk.

The Supreme Personality of Godhead directly and indirectly knows how everything, including the living force, mind and intelligence, is working under His control. He is the illuminator of everything and has no ignorance. He does not have a material body subject to the reactions of previous activities, and He is free from the ignorance of partiality and materialistic education. I therefore take shelter of the lotus feet of the Supreme Lord, who is eternal, all-pervading and as great as the sky and who appears with six opulence’s in three yugas [Satya, Tretä and Dväpara].

When offered prayers by Lord Shiva and Lord Brahma, the Supreme Personality of Godhead Lord Vishnu was pleased. Thus He gave appropriate instructions to all the demigods. The Supreme Personality of Godhead, who is known as Ajita, unconquerable, advised the demigods to make a peace proposal to the demons, so that after formulating a truce, the demigods and demons could churn the ocean of milk. The rope would be the biggest serpent, known as Vasuki, and the churning rod would be Mandara Mountain. Poison would also be produced from the churning, but it would be taken by Lord Siva, and so there would be no need to fear it. Many other attractive things would be generated by the churning, but the Lord warned the demigods not to be captivated by such things. Nor should the demigods be angry if there were some disturbances. After advising the demigods in this way, the Lord disappeared from the scene.

churning of ocean of milk, Samudra manthan | Hindu FAQs
churning of ocean of milk, Samudra manthan

One of the item come from the churning of ocean of milk  was nectar which will give strength to demigods (Amrit). For twelve days and twelve nights (equivalent to twelve human years) the gods and demons fought in the sky for possession of this pot of Amrita. From this nectar some drops spills at Allahabad, Haridwar, Ujjain and Nashik while they were fighting for nectar . So on earth we celebrate this festival to get the pious credits and meet the purpose of life that is going to back to godhead  our eternal home where our father is waiting for us. This is opportunity we get after associating with saints or holy man who follow scriptures.

Mahadev drinking Halahala poison | Hindu FAQs
Mahadev drinking Halahala poison

Kumbh mela provides us this great opportunity to purify our soul by bathing in holy river and serving saints.

Credits: MahaKumbhaFestival.com