Thekkepat Ramakrishnan, Indian biochemist (Bangalore 14 March 1922 – Bangalore 15 February 2008)

Elucidated the metabolism and molecular biology of Mycobacteria

Elucidated the mechanism of action of antitubercle drugs like isoniazid, streptomycin and rifampicin

First reported the enzyme isocitrate lyase 

Isolated the first transducing phage for Mycobacteria 

Proposed RNA polymerase of Mycobacterium tuberculosis as a good target for devising new drugs