found: Wikipedia, viewed 16 April 2020:Alfred Bader (chemist, businessman, philanthropist, and fine art collector; born April 28, 1924, Vienna, Austria; child of a Jewish father and Catholic mother, raised by his paternal aunt; sent to England in 1938 and Canada in 1940; earned a B.Sc. in engineering chemistry in 1945 and a B.A. in history in 1946 from Queen's University, and an M.Sc. in chemistry in 1947, an M.A. in chemistry in 1949 and a Ph.D. in chemistry in 1950 from Harvard University; working as a research chemist at a paint company, recognized the need for a small company dedicated to producing reliable quality research chemicals; co-founded Aldrich Chemical Company in 1951, which merged with Sigma Chemical Corporation to become the Sigma-Aldrich Corporation in 1975, serving as president from 1975 to 1980 and as chairman from 1980 to 1991, and establishing other companies including Alfa Inorganics, the Alfred Bader Chemical Corp., a British subsidiary Ralph N. Emanuel, Ltd. (which became Aldrich Chemical Co. Ltd.), and Heidenheimer Chemisches Laboratorium; a lifelong collector, established Alfred Bader Fine Arts gallery in Milwaukee in 1961; donated a 15th-century English castle, a performing arts centre and more than 200 works of art to Queen's University and a performing arts centre to Victoria University in Toronto, as well as endowing fellowships and research chairs at Queen's University; died December 23, 2018, Milwaukee, Wisconsin)