Klaus Roth

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Klaus Friedrich Roth (29 October 1925 – 10 November 2015) was a German-born British mathematician who won the Fields Medal for proving Roth's theorem on the Diophantine approximation of algebraic numbers. He was also a winner of the De Morgan Medal and the Sylvester Medal, and a Fellow of the Royal Society. Roth moved to England as a child in 1933 to escape the Nazis, and was educated at the University of Cambridge and University College London, finishing his doctorate in 1950. He taught at University College London until 1966, when he took a chair at Imperial College London. He retired in 1988. Beyond his work on Diophantine approximation, Roth made major contributions to the theory of progression-free sets in arithmetic combinatorics and to the theory of irregularities of distribution. He was also known for his research on sums of powers, on the large sieve, on the Heilbronn triangle problem, and on square packing in a square. He was a coauthor of the book Sequences on integer sequences.

Career

1. 1925
   Born
2. 1958
   Won Fields medal
3. 1960
   Won Fellow of the Royal Society
4. 1983
   Won De Morgan Medal
5. 1991
   Won Sylvester Medal
6. 2015
   Passed away
7. Member of Royal Society
8. Member of American Academy of Arts and Sciences
9. Member of Royal Society of Edinburgh
10. Notable work: Roth's theorem on arithmetic progressions
11. Notable work: Thue–Siegel–Roth theorem

Trivia

• •Place of birth: Wrocław
• •Citizenship: United Kingdom, United Kingdom of Great Britain and Ireland
• •Known as: mathematician, university teacher