Aryabhata was an Indian mathematician and astronomer who lived in the 5th century AD. He is known for his contributions to the development of the decimal system, which is used today all over the world.

Brahmagupta was an Indian mathematician and astronomer who lived in the 6th century AD. He is known for his work on algebra and trigonometry, and he is also credited with developing the concept of zero.

Bhaskara II was an Indian mathematician and astronomer who lived in the 12th century AD. He is known for his work on calculus, and he is also credited with developing the concept of the derivative.

Srinivasa Ramanujan was an Indian mathematician who lived in the 20th century AD. He is known for his work on number theory, and he is also credited with developing the concept of the modular function.

Sushruta was an Indian physician who lived in the 6th century BC. He is known for his work on surgery, and he is also credited with developing the concept of the surgical suture.

Charaka was an Indian physician who lived in the 2nd century AD. He is known for his work on medicine, and he is also credited with developing the concept of the four humors.

Vagbhata was an Indian physician who lived in the 7th century AD. He is known for his work on Ayurveda, and he is also credited with developing the concept of the tridosha.

Madhava was an Indian physician who lived in the 14th century AD. He is known for his work on public health, and he is also credited with developing the concept of the quarantine.

The Charaka Samhita is an ancient Indian medical text that is considered to be the oldest surviving text on Ayurveda. It was written by Charaka, a physician who lived in the 2nd century AD.

The Sushruta Samhita is an ancient Indian medical text that is considered to be the oldest surviving text on surgery. It was written by Sushruta, a physician who lived in the 6th century BC.

The Vagbhata Samhita is an ancient Indian medical text that is considered to be the oldest surviving text on medicine. It was written by Vagbhata, a physician who lived in the 7th century AD.

The Madhava Nidana is an ancient Indian medical text that is considered to be the oldest surviving text on public health. It was written by Madhava, a physician who lived in the 14th century AD.

Brahmagupta was an Indian mathematician and astronomer who lived in the 6th century AD. He is known for his work on the concept of zero, which he used in his calculations.

Bhaskara II was an Indian mathematician and astronomer who lived in the 12th century AD. He is known for his work on the Fibonacci sequence, which he used in his calculations.

Srinivasa Ramanujan was an Indian mathematician who lived in the 20th century AD. He is known for his work on the concept of infinity, which he used in his calculations.