๐1. 1935 : Stanley - Crystallised viruses.
๐ 2. 1937 : Ramde o Misra obtained Ph.D. in Ecology from Lee ds university (U.K.).
๐ 3. 1938 : Coelocanth fish caught in South Africa.
๐ 4. 1945 : Fleming, Chain & Florey - Awarded Nobel prize.
๐ 5. 1950 : Watson obtained Ph.D. on a study of the effect of hard X-rays on bacteriophage multiplication.
๐ 6. 1951 : Family planning programme started in India.
๐ 7. 1952 : Hershey & Chase-experiment on bacteriophage or Bacterial virus
gives unequivocal proof that DNA is the genetic material.
๐ 8. 1953 : Miller experiment - Methane, ammonia, hydrogen & water vapour.
๐9. 1953 : Watson & Crick - Double helical structure of B-DNA & replication scheme.
๐10 . 1953 : Palade : Discovered ribosome.
๐11 . 1954 : Ramachandran - Triple helical model of collagen, published in Nature.
๐12 . 1954 : Crick complete d Ph.D. on a thesis “X-rays diffraction :
polypeptides and proteins.
๐13 . 1958 : Meselson & Stahl - Work on E.coli proves semiconservative
replication of DNA in prokaryotes.
๐14 . 1958 : Taylor - Work on Vicia faba proves semiconservative replication of DNA in eukaryotes.
๐15. 1960 : Katherine Esau - Published “Anatomy of Seed Plants.”
๐ 16. 1961 : Melvin Calvin - Nobel Prize.
๐ 17. 1962 : Watson, Crick and Wilikins - Nobel Prize.
๐ 18. 1963 : Wheat varieties (Sonalika & Kalyan sona) introduced.
๐ 19. 1963 : Two enzyme responsible for restricting growth of bacteriophage
in E.coli were isolated.
๐ 20. 1966 : Derivative of IR-8 & Taichung native-I introduced.
๐ 21. 1969 : Whittaker - Five kingdom classification.
