Operon model was elucidated by
FRANCOIS JACOB and JACQUES MONAD put forward the operon concept in 1965Theory was based on the observation on lactose metabolism in Escherichia coliRef: DM Vasudevan, 7th edition, page no: 617
Jacob & Monad
Waston & Crick
Leiderburg & Tautum
Two D Herell
Metabolism of nucleic acids