Person: Hatzidakis, Nikolaos
Nikolaos Hatzidakis was a Greek mathematician, poet and patriot. He worked in differential geometry.
Mathematical Profile (Excerpt):
 Ioannis Hatzidakis, who often transcribed his name as Hazzidakis, was born in Crete, studied at Syros, and then, from 1863, at the National and Kapodistrian University of Athens.
 The school education of Nikolaos took place in Athens.
 Hatzidakis spent two years in Germany, 18981900.
 At this time Schwarz was lecturing on his collected works and Hatzidakis had for company at these lectures his fellow Greek, Constantin Carathéodory.
 Hatzidakis, however, did not receive any diplomas from these universities.
 In 1913 Hatzidakis served as dean of the School, and in that capacity he proposed the establishment of a Mathematical Journal, in which he could present his work to those who were not members of the university community.
 Hatzidakis was the first professor at the University who achieved close contact with his students.
 Several important initiatives in the development of mathematics in Greece were undertaken by Hatzidakis in collaboration with two of his colleagues, Georgios Remoundos and Panagiotis Zervos.
 Hatzidakis served as the first President of the Society having this role from 1918 to 1925.
 In the first issues of the journal, Hatzidakis published some remarkable work.
 Hatzidakis was not only interested in mathematics and, having a multifaceted and extremely competent mind, he systematically dealt with other disciplines such as linguistics, geography, and literature.
 Hatzidakis was also an excellent geographer.
 Hatzidakis was a member of various foreign mathematical societies including the German Mathematical Society, the Swiss Mathematical Society and the Mathematical Circle of Palermo.
 Although Hatzidakis spoke German and Italian fluently, there was no way he would socialise with the occupying forces and he starved to death in January 1942.
Born 25 April 1872, Berlin, Germany. Died 25 January 1942, Athens, Greece.
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References
Adapted from other CC BYSA 4.0 Sources:
 O’Connor, John J; Robertson, Edmund F: MacTutor History of Mathematics Archive