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Esther Szekeres, also known as Esther Klein (Hungarian: Klein Eszter; 20 February 1910 – 28 August 2005) was a Hungarian–Australian mathematician.

Biography

Esther Klein was born to Ignaz Klein in a Jewish family in Budapest, Kingdom of Hungary in 1910. As a young physics student in Budapest, Klein was a member of a group of Hungarians including Paul Erdős, George Szekeres and Pál Turán that convened over interesting mathematical problems.

In 1933, Klein proposed to the group a combinatorial problem that Erdős named as the Happy Ending problem as it led to her marriage to George Szekeres in 1937, with whom she had two children.

Following the outbreak of World War II, Esther and George Szekeres emigrated to Australia after spending several years in Hongkew, a community of refugees located in Shanghai, China. In Australia, they originally shared an apartment in Adelaide with Márta Svéd, an old school friend of Szekeres, before moving to Sydney in 1964.

In Sydney, Esther lectured at Macquarie University and was actively involved in mathematics enrichment for high-school students. In 1984, she jointly founded a weekly mathematics enrichment meeting that has since expanded into a programme of about 30 groups that continue to meet weekly and inspire high school students throughout Australia and New Zealand.

In 2004, she and George moved back to Adelaide, where, on 28 August 2005, she and her husband died within an hour of each other.

Recognition

In 1990, Macquarie gave Szekeres an honorary doctorate. In 1993, she won the BH Neumann Award of the Australian Mathematics Trust.

References

1. ^ Cowling, Michael (7 November 2005). "A world of teaching and numbers - times two". The Sydney Morning Herald. Retrieved 11 August 2012.
2. ^ O'Connor, John J.; Robertson, Edmund F., "Esther Szekeres", MacTutor History of Mathematics Archive, University of St Andrews
3. "Shanghai, a city for Jews in China". The Menorah of Fang Bang Lu. Archived from the original on 13 August 2010. Retrieved 30 August 2005.
4. Taylor, Peter (December 2005). "Szekeres Obituary". Australian Mathematics Trust. Archived from the original on 4 March 2016. Retrieved 11 August 2012.
5. "A7 Awards". Australian Mathematics Trust. Retrieved 7 April 2018.

• 1910 births
• 2005 deaths
• 20th-century Hungarian mathematicians
• Australian mathematicians
• Hungarian Jews
• Academic staff of Macquarie University
• Mathematicians from Budapest
• Scientists from Sydney
• 20th-century American women mathematicians
• Hungarian emigrants to Australia