1976 Death Gregor Piatigorsky, Russian cellist, dies at 73 1934 Death Gregor Strasser, German pharmacist/NSDAP-leader, murdered at 42 1926 Birthday Cestmir Gregor, composer 1919 Death Gregor MacGregor, English cricket wicketkeeper (8 Tests 1890-93), dies 1903 Birthday Gregor Piatigorsky, born in Ekaterinoslav, Russia, cellist, or 4/20 1892 Birthday Gregor Strasser, German pharmacist/NSDAP-Reich organization leader 1884 Death Gregor Mendel, Augustine monk/heredity pioneer, dies at 61 1822 Birthday Gregor Mendel, monk/geneticist, discoverer of laws of heredity 1801 Death Christian Friedrich Gregor, composer, dies at 78 1766 Death Gregor Joseph Werner, composer, dies at 73 1723 Birthday Christian Friedrich Gregor, composer 1693 Birthday Gregor Joseph Werner, composer 1628 Death Gregor Aichinger, German composer/organist, dies at about 63
