More authors’ entries from Part 34 of the online Addenda to the Revised Crime Fiction IV, by Allen J. Hubin.

Note: Thanks to Curt Evans in Comment #1 for pointing out the relationship of Thomas Cobb to Belton Cobb. (See the former’s entry below.)

CLARK, ELLERY H(ARDING). 1874-1949. Born in West Roxbury MA. Add: Educated at Harvard University; as an athlete, Clark is the only person to have won both the Olympic high jump and long jump, achieving the feat in 1896 at the first modern Olympics in Athens. Later a lawyer and a Boston city alderman; as an author, Clark has two books included in the Revised Crime Fiction IV. Below is his complete entry:

      The Carleton Case. Bobbs, hc, 1910.
      Loaded Dice. Bobbs, hc, 1909. Silent film: Pathe, 1918 (scw: Gilson Willets; dir: Herbert Blache).

        ELLERY CLARK Loaded Dice

CLAUSEN, CARL. 1895-1954. Correction of birth date. Born in Denmark; died in Pennsylvania. Prolific story writer for the pulps and other magazines, circa 1917-1941; the author of two books included in the Revised Crime Fiction IV. See below:
      The Gloyne Murder. Dodd, hc, 1930.

                 CARL CLAUSEN The Gloyne Murder

      Jaws of Circumstance. Dodd, hc, 1931; Lane, UK, hc, 1931.

        CARL CLAUSEN Jaws of Circumstance

CLEMENTS, COLIN (CAMPBELL). 1894-1948. Born 25 February 1894 in Omaha, Nebraska. Add: Educated at the University of Washington, Carnegie Institute of Technology and Harvard University. With his wife Florence Ryerson (Clements), 1894-1965, q.v., prolific co-author of over one hundred short stories, plays and screenplays. Included in the Revised Crime Fiction IV are five collaborative mystery novels and three plays of a criminous nature. Series character Jimmy Lane appeared in four of the five mysteries, including the one cited below:

      Blind Man’s Buff. Long & Smith, US, hc, 1933. [Thirteen people stormbound on lonely island are murdered one by one.]

              COLIN CLEMENTS Blind Man's Bluff

CLEMENTS, FLORENCE RYERSON. 1894-1965. Working byline: Florence Ryerson, q.v.

COBB, THOMAS. 1853-1932. Add: Born and lived in London. Father of (Geoffrey) Belton Cobb, 1892-1971, q.v. Prolific author of some 78 novels and perhaps 300 short stories. Of these, over 60 novels are included in the Revised Crime Fiction IV, many of them only marginally. Series character Inspector Bedison has a leading role in four of them.

RYERSON, FLORENCE. Maiden name and working byline of Florence Ryerson Clements, 1894-1965. Born in Glendale, California. Add: Educated at Stanford University, Radcliffe College, and Boston University. Contributor to numerous magazines; screenwriter for films in the Fu Manchu and Philo Vance series; most noted for being one of the co-writers of The Wizard of Oz. Included in her entry in the Revised Crime Fiction IV are five collaborative mystery novels and four plays of a criminous nature, most in tandem with her husband, Colin (Campbell) Clements, 1894-1948, q.v., whom she married in 1927.

            FLORENCE RYERSON Wizard of Oz