Dr.Yellapragada Subba Rao, 'the greatest Indian Biochemist' who made a dynamic impact in the field of Biochemistry and Medicine with a large number of discoveries which transformed the medical science and saved millions of people from deadly diseases. 

Dr.Yellapragada Subba Rao was born in a poor family at Bhimavaram in West Godavari district of Andhra Pradesh. While he was studying in Madras Medical College, his elder brother and younger brother died of 'Tropical Sprue' disease in the span of 8 days. He was deeply affected and decided to invent medicine to cure 'Spure'. So he went to the USA and took admission to the Harvard School of 'Tropical Medicine'. Later he joined as Director in 'Lederle Research Laboratory', USA, and continued there till his last breath. 

His contributions include ATP and phosphocreatine as sources of energy in muscle contraction, folic acid, which is used in the treatment of tropical sprue that killed his two brothers, anti-cancer, drug Methotrexate, which is also used in the treatment of non-cancerous diseases such as rheumatoid arthritis and psoriasis, diethylcarbamazine-DEC, the only effective drug in treating filariasis, the world's first Tetracycline antibiotic Aureomycin which is the only drug effective in treating cholera, plague, typhus fever, trench fever, etc and isonicotinic acid hydrazide, an effective medicine in treating tuberculosis. 

This about The Wonder Man of Miracle Drugs.