Israeli Woman Scientist Ada Yonath Wins Nobel Prize for Chemistry Israeli scientist Ada Yonath, 70, was awarded the Nobel Prize for chemistry for showing how ribosomes function - work that has important implications for antibiotics. Ada Yonath is one of three Nobel Prize winners for achievements in chemistry. Yonath shares the prize amounting to 10 million Swedish crowns ($1.4 million) with Americans Venkatraman Ramakrishnan and Thomas Steitz. She is the first Israeli woman to win a Nobel Prize. Photo by Rafael Ben-Ari Chameleons Eye.