VĀ
Vātsyāyana
Mallanāga Vātsyāyana was an ancient Indian philosopher, known for authoring the Kama Sutra. He lived in India during the second or third century CE, probably in Pataliputra.
Excerpt from Wikipedia, available under CC BY-SA 4.0.
Books

Kamasutra
2003
ISBN 9780199539161