Party affiliation: Democrat
Law clerk United States Circuit Judge Huxman, 1955—1956. With firm Gibson, Dunn & Crutcher, Los Angeles, 1956—1957. Assistant professor law University Kansas, 1957—1961, professor, dean Law School, 1961—1968.
Partner Payne and Jones, Olathe, 1968—1977. Judge The United States of America Court Appeals (10th circuit), 1977—1998. Private practice Logan Law Firm LLC, Olathe, 1998—2001, Foulston Siefkin LLP, Overland Park, since 2002.
Ezra Ripley Thayer teaching fellow Harvard Law School, 1961—1962. Visiting professor University Texas, 1964, Stanford University, 1969, University Michigan, 1976. Senior lecturer Duke University, 1987, 91, 93.
Commissioner United States District Court, 1964—1967. Member United States Judicial Conference Advisory Committee Federal Rules of Appellate Procedure, 1990—1997, chair, 1993—1997. With United States Army, 1947-1948.
Author (with Warner Bros. Leach): Future Interests and Estate Planning, 1961. Author: Kansas Estate Administration, 5th edition, 1986.
Author: (with Arkansas Martin) Kansas Corporate Law and Practice, second edition, 1979. Author: The Federal Courts of the Tenth Circuit: A History, 1992, also articles.