GREGOR JOHANN MENDEL By evancarter Jul 20, 1822 Johann Mendel was born. Period: Jul 20, 1822 to Jan 6, 1884 GREGOR JOHANN MENDEL Jun 10, 1843 Mendel entered the Augustinian Abbey Monastery and took up the name Gregor. May 12, 1856 He studied hundrededs of pea plants over 10 years and discovered what is known as Laws of Heredity Sep 4, 1860 The pea data led him to propose the existence of Genes. Feb 8, 1865 Gregor Mendel, an Austrian monk published a paper on genetics that earned him the nickname"the Father of Modern Genetics." Jan 6, 1884 Gregor Johann Mendel Died