Howard Gardner By H**856 Jul 11, 1943 Howard Gardner is born Howard Gardner is born in Pennyslvania Aug 1, 1965 Gardner gets his A.B in social relations from Harvard May 1, 1971 Gardner completes his PhD Jun 1, 1981 Gardner wins a MacArthur Prize Fellowship Jan 1, 1982 Gardner marries Ellen Winner Apr 21, 1983 Gardner comes up with multiple intelligence theory Aug 1, 1986 Gardner begins work as a professor at Harvard graduate school of education Sep 1, 1990 Gardner wins the Grawemeyer Award in Education Jan 1, 1999 Gardner adds 'naturalistic' and 'existential' to his intelligence theory Aug 1, 2000 Gardner wins the Guggenheim Fellowship