GlyphSignal

Karel deLeeuw

American mathematician (1930–1978)

2 min read

Why this is trending

Interest in “Karel deLeeuw” spiked on Wikipedia on 2026-02-25.

Categorised under Arts & Culture, this article fits a familiar pattern. wt.cat.arts.1

By monitoring millions of daily Wikipedia page views, GlyphSignal helps you spot cultural moments as they happen and understand the stories behind the numbers.

2026-01-27Peak: 212026-02-25
30-day total: 305

Key Takeaways

  • 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.
  • He stayed at Chicago to earn an M.
  • 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).
  • Death and legacy DeLeeuw was murdered by Theodore Streleski, a Stanford doctoral student for 19 years, whom he advised.

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.

Life and career

Born in Chicago, Illinois, he attended the Illinois Institute of Technology and the University of Chicago, earning a B.S. degree in 1950. He stayed at Chicago to earn an M.S. degree in mathematics in 1951, then went to Princeton University, where he obtained a Ph.D. degree in 1954. His thesis, titled "The relative cohomology structure of formations", was written under the direction of Emil Artin.

After first teaching mathematics at Dartmouth College and the University of Wisconsin–Madison, he joined the Stanford University faculty in 1957, becoming a full professor in 1966. 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). He was also a Member-at-Large of the Council of the American Mathematical Society.

Death and legacy

DeLeeuw was murdered by Theodore Streleski, a Stanford doctoral student for 19 years, whom he advised. 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."

A memorial lecture series was established in 1978 by the Stanford Department of Mathematics to honor deLeeuw's memory.

Read full article on Wikipedia →

Content sourced from Wikipedia under CC BY-SA 4.0

Share

Keep Reading

2026-02-25
3
Robert Reed Carradine was an American actor. A member of the Carradine family, he made his first app…
395,060 views
4
.xxx is a sponsored top-level domain (sTLD) intended as a voluntary option for pornographic sites on…
319,247 views
6
Martin Hayter Short is a Canadian comedian, actor and writer. Short is known as an energetic comedia…
210,595 views
7
Nemesio Rubén Oseguera Cervantes, commonly referred to by his alias El Mencho, was a Mexican drug lo…
210,060 views
8
Alysa Liu is an American figure skater. She is the 2026 Winter Olympic champion in both women's sing…
171,867 views
9
Erotic photography is a style of art photography of an erotic, sexually suggestive or sexually provo…
167,704 views
Continue reading: