Václav Jeřábek

Václav Jeřábek (1845–1931) was a Czech mathematician, specialized in constructive geometry.

Václav Jeřábek
Jerabek Hyperbola
Born(1845-12-11)December 11, 1845
Koloděje, Pardubice Region, Austrian Empire; now Czech Republic
DiedDecember 20, 1931(1931-12-20) (aged 86)
Telč, Czechoslovakia; now Czech Republic
Alma materVienna Polytechnic Institute
Scientific career
FieldsMathematics
InstitutionsCzech Realschule of Brno

Life and work

Jeřábek studied at the lower school of Pardubice and at the higher school of Písek, then he was to Vienna and studied at Imperial and Royal Polytechnic Institute where he graduated. Although he participated in several leading intellectual circles of Vienna, he remained a Czech with a clear view of patriotism.[1] He began his teaching at the Realschule of Litomyšl (1870), being transferred two years after to the Realschule of Telč. In 1881, he was appointed professor of the Czech Realschule in Brno, and became its director in 1901. He retired in 1907, and suffering of a cataract, he died almost completely blind[2] in 1931.

Jeřábek was one of the men who kept the Czech geometry at the scientific level.[3] He published scientific articles in Czech, German and French, and longer lectures. He is well remembered by the Jerabek hyperbola,[4] the locus of the isogonal conjugate of a point that traverses the Euler line of a triangle.[5]

He was honorary member of the Union of Czech mathematicians and member of the scientific societies of Moravia and Bohemia.[6]

References
  1. Roháček 1932, p. 105.
  2. O'Connor & Robertson, MacTutor History of Mathematics.
  3. Roháček 1932, p. 107.
  4. Kimberling 1997, p. 436.
  5. Kimberling 2003, p. 58.
  6. Roháček 1932, p. 108.

Bibliography
  • Kimberling, Clark (1997). "Major Centers of Triangles". The American Mathematical Monthly. 104 (5): 431–438. doi:10.1080/00029890.1997.11990660. ISSN 0002-9890. JSTOR 2974736.
  • Kimberling, Clark (2003). Geometry in action. Key College Publishing. ISBN 1-931914-02-8.
  • Roháček, J. (1932). "Václav Jeřábek [nekrolog]". Časopis Pro Pěstování Matematiky a Fysiky (in Czech). 61 (4): 105–108. doi:10.21136/CPMF.1932.121310. hdl:10338.dmlcz/121310. ISSN 1802-114X.
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