abstract:Robert Tyler (September 9, 1816 – December 3, 1877) was the eldest son of United States President John Tyler and Letitia Christian Tyler.http://www.
Tyler became well-knownnationally in1938 whenhecarriedhiswork with the eight-yearstudyfromOhio stateuniversity to the university ofChicago at the invitationofRoberthutchins.