Thomas Allen "Tom" Coburn (born March 14, 1948) is an American politician and medical doctor.
 A member of the Republican Party, he was the junior United States Senator from Oklahoma.
William Broughton Davies (1831–1906) was a Sierra Leonean medical doctor who served in the British Colonial Army from 1860 to 1881.
 Davies was one of two West Africans to qualify as medical doctor in 1859.
 Hence Davies was the first West African to qualify for the medical profession.
Dr. Deborah Ann Travis "D. Ann" Honeycutt (born August 8, 1947) is an American politician and medical doctor.
 Honeycutt was the Republican candidate for Georgia's 13th congressional district in 2006 and 2008.
 She attended the 2008 Republican National Convention.
 In 2004, Honeycutt was President of the Georgia Academy of Family Physicians and in 2005 she served as Chairman of the Board of Directors of the Georgian Academy.
George Franklin Greenleaf, Jr. (September 29, 1874 – May 30, 1936) was an American football player and medical doctor.
 A native of Brazil, Indiana, Greenleaf was the son of George F. Greenleaf, Sr. (1848–1900) and Agnes Dalgleish Staines.
 He played college football at the University of Michigan and was the quarterback of the 1893 and 1894 Michigan Wolverines football teams.
 He played at the end position on the 1895 and 1896 teams.
 He graduated from Michigan's Department of Medicine and Surgery, and became a medical doctor practicing in Indiana and Illinois.
 In 1899, he was the head coach of the Miami University football team.
 In February 1914, he married Estella Fuquay at Evansville, Indiana.
 In his later years, he practiced medicine at 561 Diversity Parkway and lived at 2745 Pine Grove Avenue in Chicago.
 In May 1936, he died of hypertension and cerebral hemorrhage at his Chicago apartment.
Hermon Franklin Titus (1852–1931) was an American socialist activist and newspaper publisher.
 Originally a Baptist minister before becoming a medical doctor, Titus is best remembered as a factional leader of the Washington state affiliate of the Socialist Party of America (SPA) during the first decade of the 20th century and as editor of "The Socialist," one of the most-widely circulated radical newspapers of that period.
 Titus led a party split from the Socialist Party of Washington in 1909 and helped found a short-lived organization called the Wage Workers Party.
 His paper failed with that organization and he died in self-chosen obscurity in New York City, a medical doctor working in a low paying service job.
Kirk Humphreys (born September 13, 1950) is an American politician who served as Mayor of Oklahoma City from April 9, 1998 to November 3, 2003.
 He was considered a favorite candidate of the Republican party establishment for U.S. Senator in 2004, losing to former Congressman Tom Coburn, MD in the primary.
 Humphreys is the chairman of The Humphreys Company.
Don Branigan (1933–1999) was a Canadian politician and medical doctor, best known as a former mayor of Whitehorse, Yukon.
 As a medical doctor, he was also noted for his frequent legal conflicts with medical licensing bodies opposed to his use of holistic medical practices such as acupuncture.
The Battalion Aid Station is a medical section within a battalion's support company in the military of the United States, specifically, the Army and Marine Corps.
 As such, it is the forwardmost medically staffed treatment location.
 During peacetime, it is led by a Medical Operations Officer, a First Lieutenant in the Army Medical Service Corps or a Lieutenant from the Navy Medical Corps.
 During combat, a commissioned medical doctor with the Army Medical Corps may assume leadership of the platoon and direct medical operations.
 However, in the Army, the Medical Service Officer normally retains control of training, planning, and administration of the platoon while the doctor in charge directs medical care.
 The primary mission of the Battalion Aid Station is to collect the sick and wounded from the battalion and stabilize the patients' condition.
James Orlando Harrison Simrall, Jr. (November 16, 1909 – September 8, 1982) was an American football player and medical doctor.
 A native of Lexington, Kentucky, Simrall enrolled at the University of Michigan where he played quarterback and halfback for the Michigan Wolverines football teams from 1928 to 1930.
 He was selected as the Most Valuable Player on the 1929 team and the captain of the 1930 team.
 He later attended Harvard Medical School, served as an instructor in obstetrics and gynecology at the University of Michigan, and later became a medical doctor in Lexington, Kentucky.
Shoaib Tauheed MBBS, M Phil., MCPS, FCPS (1960–2007) was a professor, medical doctor, researcher and an author from Pakistan.
 He is widely known for his contributions in the field of Physiology and Medicine.
 Besides practicing clinical medicine he served as a professor and Head of the Department of Physiology in Dow Medical College, Dow University of Health Sciences, Karachi.
 Since the establishment of the Dow University of Health Sciences, Prof. Tauheed was appointed chairman of the Physiology Department.
 He was also one of the members of the Curriculum Revision Committee of the Higher Education Commission, and was involved in expanding and conducting Continuing Medical Education courses at DUHS He also served as the Head of Physiology department of Sindh Medical College, Karachi.
 He is still the first and only Pakistani to be a member of American Physiological Society.
 Considered by many as the most favorite and popular professor among medical students.

Question: Which one is older, the chairman of the Humphreys Company, or the American politician and medical doctor who beat him in the primary?
Answer: American politician and medical doctor