One atom of mendelevium (Md, element 101) was produced by Gregory R. Choppin, Glenn Seaborg, Bernard G. Harvey, and Albert Ghiorso in 1955 by bombarding a billion atoms of 253Es with helium.
Ferdinand Reich born 1799: codiscovered indium (In, element 49)
Birthdays of Nobel Prize Winners
Svante Arrhenius born 1859: electrolytic dissociation, viscosity, reaction rates, and even the greenhouse effect; Nobel prize, 1903
Roderick MacKinnon born 1956: structural and mechanistic studies of ion channels; Nobel Prize, 2003
Gottlieb Sigismund Kirchhof born 1764: catalytically produced glucose from starch.
Louis-Georges Gouy born 1854: interfacial electrical double layer.
Ernest Marsden born 1889: scattering of alpha particles (work with Hans Geiger in Ernest Rutherford's lab), contributing to the development of the nuclear model of the atom. (Read 1909 and 1913 papers with Geiger.)