Three pioneering stem-cell scientists were recognized today with the 2011 Albany Medical Center Prize in Medicine and Biomedical Research, a $500,000 award, the New York institution announced. The winners were Elaine Fuchs, a professor at Rockefeller University; James A. Thomson, a professor at the University of Wisconsin at Madison and at the University of California at Santa Barbara; and Shinya Yamanaka, a professor at Kyoto University, in Japan.