Who is younger, Thomaz Koch or Sherwood Stewart?
Thomaz Koch Thomaz Koch (born May 11, 1945 in Porto Alegre), is a left-handed former tennis player from Brazil, who was a quarter-finalist at the French Open, Wimbledon and the U.S. National Championships.
Sherwood B. Idso Sherwood B. Idso (born June 12, 1942) is the president of the Center for the Study of Carbon Dioxide and Global Change, a 501(c)(3) nonprofit organization. Prior to that time he was a Research Physicist with the U.S. Department of Agriculture's Agricultural Research Service at the U.S. Water Conservation Laboratory in Phoenix, Arizona, where he worked since June 1967. He was also closely associated with Arizona State University over most of this period, serving as an Adjunct Professor in the Departments of Geology, Geography, and Botany and Microbiology. His two sons, Craig and Keith, are, respectively, the founder and vice president of the Center for the Study of Carbon Dioxide and Global Change.