Luis Pérez Gutiérrez b. 1952 Source: Wikimedia Commons About Luis Pérez Gutiérrez Colombian mathematician People from the Same Era Sergio Tardioli 1942–2023 actor Spello Michel Davier b. 1942 physicist, university teacher Bourg-en-Bresse Josef Wilhelm b. 1947 theologian Innsbruck Nina R. Harper 1950–2018 politician Baltimore Omar Ronda 1947–2017 draftsperson, graphic artist, painter, sculptor Portula Deborah Lutz b. 1950 scholar of English, university teacher