Born in
Houston, Texas, Greenhill attended the
University of Texas, where he earned
Bachelor of Arts and
Bachelor of Business Administration degrees in 1936 and a
Bachelor of Laws degree in 1939 where he was a member of the
Texas Cowboys. During
World War II, he served as junior officer in the
United States Navy, first in intelligence and then as executive officer of a
mine sweeper in the Pacific Theater. He became Assistant Attorney General of the
State of Texas in 1948, co-founded
Graves, Dougherty & Greenhill in 1950 and was appointed to the Texas Supreme Court in 1957, where he served until 1982. He received an honorary Doctor of Law degree from
Southern Methodist University in 1977. Greenhill was
of counsel at
Baker Botts. ==References==