1. Father of Astronomy: Aryabhatta ; work - Aryabhattiyam 2. Father of Astrology: Varahamihira , works; Panchasiddhantika, Bruhat Hora Shastra 3. Fathers of Surgery : Charaka and Sushruta , works : Samhitas 4. Father of Anatomy: Patanjali , work: Yogasutra 5. Father of Yoga: Patanjali , work: Yogasutra 6. Father of Economics: Chanakya , work: Arthashshtra 7. Father of Atomic theory: Rishi Kanada , Work: Kanada sutras 8. Father of Architecture: Vishwakarma