K. Alex Müller
Karl Alexander Müller was a Swiss physicist and Nobel laureate. He received the Nobel Prize in Physics in 1987 with Georg Bednorz for their work in superconductivity in ceramic materials.
20 April 1927
Born on the same birth date (20 April 1927): Bud Cullen • Phil Hill
Born on the same birth day (20 April): Cornelius Harnett • Dave Bancroft • Florimond Claude, Comte de Mercy-Argenteau • Heinrich Göbel • Michael Allenby, 3rd Viscount Allenby • Toller Cranston • Will Hodgman • Wop May
Born in the same month (April 1927): Arne Hoel • Babatunde Olatunji • Bill Slater (footballer) • Edie Adams • Gerry Mulligan • Pope Benedict XVI • Tadeusz Mazowiecki • Wesley A. Brown