Joint winner of the 2009 chemistry Nobel Prize Venkatraman Ramakrishnan, sits in his lab at the Medical Research Council Lab in Cambridge, England, Wednesday, Oct. 7, 2009. Ramakrishnan with Thomas Steitz and Israeli Ada Yonath won the 2009 Nobel Prize in chemistry on Wednesday for mapping ribosomes, one of the cell's most complex components, at the atomic level. The Royal Swedish Academy of Sciences said their work has been fundamental to the scientific understanding of life and has helped researchers develop antibiotics cures for various diseases.