Template:Selected anniversaries/June 26: Difference between revisions
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||Hans Wilhelm Eduard Schwerdtfeger (d. 26 June 1990) was a German-Canadian-Australian mathematician who worked in Galois theory, matrix theory, theory of groups and their geometries, and complex analysis. Pic. | ||Hans Wilhelm Eduard Schwerdtfeger (d. 26 June 1990) was a German-Canadian-Australian mathematician who worked in Galois theory, matrix theory, theory of groups and their geometries, and complex analysis. Pic. | ||
||Robert Wertheimer Frucht (later known as Roberto Frucht) (d. 26 June 1997) was a German-Chilean mathematician; his research specialty was graph theory and the symmetries of graphs. He is known for Frucht's theorem, the result that every group can be realized as the group of symmetries of an undirected graph, and for the Frucht graph, one of the two smallest cubic graphs without any nontrivial symmetries. Pic = Frucht's graph. | |||
||2000 – The Human Genome Project announces the completion of a "rough draft" sequence. | ||2000 – The Human Genome Project announces the completion of a "rough draft" sequence. | ||
Revision as of 09:15, 4 February 2018
1730: Astronomer Charles Messier born. He will publish an astronomical catalogue consisting of nebulae and star clusters that will come to be known as the 110 "Messier objects".
1796: Inventor, astronomer, mathematician, clockmaker, and surveyor David Rittenhouse dies. He was the first Director of the United States Mint, hand-striking the new nation's first coins.
1823: Havelock announces plan to collaborate with David Rittenhouse and Lord Kelvin on building an orrery which models the heat death of the universe.
1824: Lord Kelvin born. He will do much to unify the emerging discipline of physics in its modern form.
1842: Clock Head advises Judge Havelock to drink less Extract of Radium, less often.