Gertrude Elion in the Burroughs Wellcome Laboratory, 1952 Gerturde Elion prepares radioactive 6-MP in the Burroughs Wellcome laboratory in Tuckahoe, New York. Courtesy of GlaxoSmithKline Inc. Heritage Center. Print Full Image Date / time 1952 Institution GlaxoSmithKline Inc. Heritage Center Related contentWomen of Valor: Gertrude Elion