Ralph Webster Yarborough (June 8, 1903 - January 27, 1996) was a Texas Democratic politician who served in the United States Senate (1957 until 1971) and was a leader of the progressive or liberal wing of his party in his many races for statewide office. As a U.S. senator, he was a staunch supporter and author of "Great Society" legislation that encompassed Medicare and Medicaid, the War on Poverty, federal support for higher education and veterans. Wikipedia
The definitive Wikipedia entry for Ralph Yarborough. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Ralph_Yarborough
Bibliography Scribner Encyclopedia of American Lives ; Phillips, William G. Yarborough of Texas . Washington, D.C.: Acropolis Books, 1969; Cox, Patrick. bioguide.congress.gov/scripts/biodisplay.pl?index=Y000006