1. Father of Astronomy: Aryabhatta
Works - Aryabhattiyam
2. Father of Astrology: Varahamihira
Works - Panchasiddhantika
3. Father of Surgery: Sushruta
Works: Samhitas
4. Father of Anatomy: Patanjali
Work: Yogasutra
5. Father of Yoga: Patanjali
Work: ...