Jelaskan 1938Richard Kuhn dari Hadiah Nobel Kimia dalam bahasa sunda

for his work on carotenoids and vitamins

1939Adolf Friedrich Johann Butenandt, Leopold Ruzicka

for his work on sex hormones and for his work on polymethylenes and higher terpenes

for his work on the use of isotopes as tracers to study chemical processes

for his discovery of the fission of heavy nuclei

for his research in agricultural and nutrition chemistry

1946James Batcheller Sumner, John Howard Northrop, Wendell Meredith Stanley

for his discovery that enzymes can be crystallized and for their preparation of enzymes and virus proteins in a pure form