Bessemer process, Henry Bessemer

6 April 1855 discovery of 34 Circe

19 April 1855 discovery of 35 Leukothea

5 October 1855 discovery of 36 Atalante and 37 Fides

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12 February 1855 Birth of George Cary Comstock in Madison, Wisconsin, USA

23 February 1855 Death of Carl Friedrich Gauss

29 April 1855 Birth of William Lewis Elkin in New Orleans, Louisiana, USA

1855 Death of François Magendie

1855 Birth of Catherine Alice Raisin

1855 Birth of Léon Philippe Teisserenc de Bort