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Events
1827 – William Rowan Hamilton presents his Theory of systems of rays.
Births
1628 – Johann van Waveren Hudde, Dutch mathematician
1746 – Félix Vicq-d’Azyr, French physician and anatomist
1775 – William Turner, English ornithologist
1792 – John Thomas Romney Robinson, Irish astronomer and physicist
1858 – Max Planck, German physicist, Nobel Prize laureate
1867 – Johannes Andreas Grib Fibiger, Danish scientist, recipient of the Nobel Prize in Physiology or Medicine
1901 – E.B. Ford, British ecological geneticist
Deaths
1895 – Carl Ludwig, German physician