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
6. Father of Economics : Chanakya , work: Arthashshtra
7. Father of Atomic theory : Rishi Kanada , Work : Kanada sutras
8. Father of Architecture : Vishwakarma .
9. Father of Aero Dynamics: Mayasura , work : Vastu Darpana
11.Father of Grammar: Panini work: Vyakarana Deepika
12. Father of Natyashastra : Bharatamuni, work : Natyashastra
13. Father of Kavya (literature) : Krishna Dwaipayana (VedaVyasa) works Mahabharata, Ashtaadasha
14. Father of Playwriting : Kalidasa , works : Meghadhootam , Raghuvamsham , Kumara Sambhava etc etc
15. Father of Ganita: Bhaskara II , works : Lilavati .
16. Father of Warfare and Weaponry: Parashurama, works: Kalaripayatu, Sulba Sutras.
18. Father of Politics: Chanakya, works: Arthashashtra, Nitishashtra
19. Father of Sexual Anatomy: Vatsyana, work: Kamasutra .
20. Father of Philosophy: Sri Krishna, work: Sribhagavadgeete
22. Father of Alchemy: Nagarjuna, work: Pragnaparamita Sutras.
The above list is just the tip of iceberg.
Via~ Team lost Temples.