T. A. Springer 1926–2011 Source: Wikimedia Commons About T. A. Springer Dutch mathematician (1926–2011) People from the Same Era Claude François Sage b. 1934 businessperson, racing automobile driver Geneva Oral Roberts 1918–2009 televangelist Ada Audrey Stevens Niyogi 1932–2010 biochemist Leigh Rolland W. Redlin 1920–2011 politician Fox Lake Werner Gumpel 1930–2026 economist, university teacher, writer Buchholz Olavi Päivänsalo 1916–1984 Lutheran pastor