Axel Harnack

Carl Gustav Axel Harnack was a Baltic German mathematician who contributed to potential theory. Harnack's inequality applied to harmonic functions. He also worked on the real algebraic geometry of plane curves, proving Harnack's curve theorem for real plane algebraic curves.

Summary from Wikipedia (CC BY-SA 4.0) · Dates from Wikidata (CC0)

Who was born first?

• Axel Harnack and Charles Chamberland were born the same year
• Axel Harnack and Jacobus Kapteyn were born the same year
• Axel Harnack and Edward Walter Maunder were born the same year
• Axel Harnack and Guillaume Bigourdan were born the same year
• Axel Harnack and George FitzGerald were born the same year

Timeline

1. Axel Harnack (this page)May 7, 1851 – April 3, 1888
2. Charles ChamberlandMarch 12, 1851 – May 2, 1908
3. Edward Walter MaunderApril 12, 1851 – March 21, 1928
4. George FitzGeraldAugust 3, 1851 – February 21, 1901
5. Guillaume BigourdanApril 6, 1851 – February 28, 1932
6. Jacobus KapteynJanuary 19, 1851 – June 18, 1922

Related

• Albert EinsteinMarch 14, 1879 – April 18, 1955
• Isaac NewtonDecember 25, 1642 – March 20, 1727
• Johann Wolfgang von GoetheAugust 28, 1749 – March 22, 1832
• Galileo GalileiFebruary 15, 1564 – January 8, 1642
• Immanuel KantApril 22, 1724 – February 12, 1804
• René DescartesMarch 31, 1596 – February 11, 1650
• Thomas EdisonFebruary 11, 1847 – October 18, 1931
• Marie CurieNovember 7, 1867 – July 4, 1934