Wallace S Broecker

… This concealed the underlying process until an investigation by Jeff Severinghaus and Wallace Broecker of Columbia University's Lamont Doherty Earth Observatory using isotopic analysis showed that carbon dioxide was reacting with exposed concrete inside Biosphere2 to form calcium carbonate,...

Wallace Smith Broecker ("Wally") (born November 29, 1931 - Chicago) is the Newberry Professor in the Department of Earth and Environmental Sciences at ...