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Oton Kučera (1 January 1857, Petrinja - 29 December 1931, Zagreb) was a Croatian astronomer. He played a crucial role by popularizing science and technology in Croatia. He was also the president of Matica hrvatska and the author of several physics handbooks for primary school and a series of popular scientific works from the areas of physics, astronomy and electrical engineering. ==Youth== He was born in Petrinja as the first of thirteen children of Ida and Franjo Kučera, a teacher. His son Vlaho later claimed that Oton was born on December 31, 1856, but that pragmatic reasons (such as the army service) prompted his parents to move the date by one day. Oton celebrated his birthday on January 1, as shown by the celebration of his 70th birthday in 1927. Oton's father was soon transferred, so the family left Petrinja and settled in Otočac, where Oton spent his childhood and completed five years of primary school. He attended the secondary school in Senj. Traveling over the mountain range of Velebit to reach Senj from Otočac, the young man discovered his love and interest for mountains and the starry sky. He continued his studies in Vinkovci, where he completed his secondary education in 1873. As an excellent and talented student, Oton was given the Krajina grant. He went to Vienna, where he studied physics, mathematics and astronomy, attending the lectures of the famous scientists Jožef Stefan, Ludwig Boltzmann and Johann Josef Loschmidt. He also went to the Vienna Observatory, which was managed by Karl von Litrow. He was offered the post of the assistant, but patriotic and family reasons brought him back to Vinkovci, where he started lecturing at the local Gymnasium at the age of 19. Two years later he passed the required teacher exam in Vienna. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Oton Kučera」の詳細全文を読む スポンサード リンク
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