Vocation : Sports Business : Coach/ Manager/ Owner

Stuart Lenox Clarkson (July 4, 1919 – October 25, 1957) was a linebacker for the Chicago Bears from 1942 to 1951. He was the last pick in the 1942 NFL Draft.
Clarkson was a two-time Little All-American at Texas A&I University (now Texas A&M-Kingsville), 1938 and 1939. He was posthumously named to the Texas A&M-Kingsville Football Hall of Fame, 1972, and was named to the Texas A&M-Kingsville Football Team of Century in 2000.
As a member of the 1946 World Champion Chicago Bears, he received an equal players share of $1,975.82. Following his tenure with the Chicago Bears, Clarkson was line coach and player for the Winnipeg Blue Bombers of the Canadian Football League (CFL) from 1952 to 1953. From 1943 to 1945, Clarkson served with the United States Army in England, France and Germany. On June 6, 1944, Clarkson was part of the American forces landing at Utah Beach, Normandy, France.On October 25, 1957, while coaching during a game for the Sugar Land (Texas) High School football team, Clarkson suffered a heart attack and died on the side of the field. Sugar Land went on to beat Hitchcock High, 25–0. Clarkson had 2 sons.

Arthur Addison Seeligson Jr. (October 29, 1920 - April 17, 2001) was an American oilman, rancher, and a Thoroughbred racehorse owner/breeder.

William Ervin "Dick" Risenhoover Jr. (February 15, 1927 – April 8, 1978) was the sportscaster for the Texas Rangers from 1972 to 1977.

Sam Giammalva Sr. (born August 1, 1934), is an American former professional tennis player in the mid-20th century.
Giammalva played for the United States Davis Cup team, earning a 7–3 record in match play between 1956 and 1958. He was on the victorious U.S. teams of 1957 and 1958. In 1958, he teamed up with Barry MacKay to reach the doubles final at the U.S. Nationals. The pair fell to Alex Olmedo and Ham Richardson, 3–6, 6–3, 6–4, 6–4. It was Michigan’s MacKay who beat Giammalva, of the University of Texas at Austin, in the final of the 1957 NCAA Championship in five sets. Giammalva also reached the NCAA doubles final in 1955. He won three straight Southwest Conference singles titles from 1956-1958.
Giammalva won the Eastern Grasscourt Championships in 1955, defeating Seixas, Nielsen, and Shea to win the title. Giammalva also reached four finals at the Cincinnati Masters: two singles finals and two doubles finals. In 1958, he knocked out Crawford Henry, Gustavo Palafox, and Donald Dell before falling to fellow Texan Bernard Bartzen in the singles final by a score of 7–5, 6–3, 6–2. He also reached the singles final in 1954 and doubles finals in 1952 and 1958.
Giammalva's best grand slam singles result was reaching the quarter-finals of the 1955 U.S. National Championships, where he lost to No. 4 seed Lew Hoad in four sets.
Sam Giammalva started as tennis professional in 1959 on The Jack Kramer Championships, playing in the Forest Hills Professional Tournament of Champions that year. He won the 1959 Southern U.S. Pro Grasscourt title beating Budge and Riggs. He played the US Pro Championships in 1960, 1964, 1965, 1966 and 1967.
Giammalva went on to coach at Rice University for 14 years from 1959 to 1972, leading the Owls to 10 Southwest Conference titles and second-place NCAA tournament finishes in 1968 and 1970.
Giammalva’s sons, Tony Giammalva and Sammy Giammalva, Jr., were also tennis players. Sam Jr. won two singles titles and four doubles titles on the ATP Tour, and was ranked as high as world no. 28 in singles and no. 22 in doubles during his career. Elder son Tony won 4 doubles titles and reached a career high singles ranking of 70 in 1981.

Billy Buie Blakeley (June 13, 1934 – October 27, 2010) was an American basketball coach. He coached at the high school, college, and professional levels.

Joseph Evans Attwell (March 25, 1931 – October 27, 2007) was the youngest managing partner of Vinson & Elkins, the largest law firm in Texas and the largest single law office in the world, from 1981 to 1991.
He lived in Houston, Texas all his life, and was an owner of the Houston Rockets from 1986 to 1995 and Houston Astros from 1978 to 1994. He was the Chairman of the Board of the Welch Foundation from 2005 until his death. Mr. Attwell also served on the board of American General Corporation for 40 years (now AIG), the board of Ocean Energy (now Devon Energy) and many other Fortune 500 and charitable boards. He was a two time Chairman of the Harris County Hospital District Board, the second largest county hospital district in the world. Attwell served as a Trustee of Rice University where the J. Evans Attwell-Welch postdoctoral fellowships honor his name at the University's Center for Nanoscale Science and Technology. He was awarded Rice's Gold Medal for extraordinary service to the University in 1997.He married Mary Petersen in March 1956. They had five children and six grandchildren, one of whom is named after him.

Patrick "Pat" Kirkwood (December 22, 1927 in Fort Worth, Texas – February 9, 2001) was a NASCAR Grand National Driver from 1949 to 1957.