Karel deLeeuw, or de Leeuw ((1930-02-20)February 20, 1930 – (1978-08-18)August 18, 1978), was a mathematics professor at Stanford University, specializing in harmonic analysis and functional analysis.
[1] His thesis, titled "The relative cohomology structure of formations", was written under the direction of Emil Artin.
During sabbaticals and leaves he also spent time at the Institute for Advanced Study and at Churchill College, Cambridge (where he was a Fulbright Fellow).
[1] DeLeeuw was murdered by Theodore Streleski, a Stanford doctoral student for 19 years, whom he advised.
[4] DeLeeuw's widow Sita deLeeuw was critical of media coverage of the crime, saying, "The media, in their eagerness to give Streleski a forum, become themselves accomplices in the murder—giving Streleski what he wanted in the first place.