Background
Klerk, Johan Hendrik De was born on October 3, 1946 in Aliwal-North, Eastern Cape, South Africa. Son of Gerrit Hendrik De Klerk and Martha Magdalena Jooste.
Klerk, Johan Hendrik De was born on October 3, 1946 in Aliwal-North, Eastern Cape, South Africa. Son of Gerrit Hendrik De Klerk and Martha Magdalena Jooste.
Bachelor of Science, Potchefstroom University, 1968. Bachelor of Science with honors, Potchefstroom University, 1969. Master of Science, Potchefstroom University, 1970.
Doctor of Science, Potchefstroom University, 1980.
Locum tenens Potchefstroom University, South Africa, 1970, lecturer South Africa, 1974—1981, senior lecturer South Africa, 1982—1998, professor applied mathematics South Africa, since 1999. Lecturer University of the Orange Freestate, Bloemfontein, South Africa, 1971—1973. Organizer Provincial Mathematics Olympiad, Potchefstroom, since 1999.
Member Engineering Faculty Board, Potchefstroom, since 1982. Lieutenant Artillery South African Army, 1965-1990, Bloemfontein.
Member, chairman local branch Dendrological Society South Africa, Potchefstroom, 1987. Chairman Dekar Foundation, 1985—1990. Member of South African Mathematics Society, Potchefstroom University Astronomical Club (secretary 1976-1998).
Married Sienie Van der Walt. Children: Tineke, Marlene, Fransa.