(1891 – 1946)
Otis Adelbert Kline was born in Chicago. He was an adventure novelist and literary agent during the pulp era. Much of his work first appeared in the magazine Weird Tales. He was an amateur orientalist and a student of Arabic, like his friend and sometime collaborator, E Hoffmann Price.
Kline was a song writer and music publisher before he began writing fiction in the early 1920s. He is mostly known today for his Jan of the Jungle, Mars, and Venus series of stories. His novels normally were published as serials in magazines before their release in book form, usually in Argosy.
In the mid-1930s Kline largely abandoned writing to concentrate on his career as a literary agent (most famously for fellow Weird Tales author Robert E. Howard). Kline represented Howard from the spring of 1933 until Howard's death in June, 1936, and continued to act as literary agent for Howard's estate after Howard's death. Kline was also the American agent for H. G. Wells.
Though Oak Leaves was a fanzine devoted to his writing, we was not highly connected to fandom, though he was a regular atearly conventions such as the Second Eastern States Science Fiction Convention, Nycon and Denvention.
For more, see http://www.sf-encyclopedia.com/entry/kline_otis_adelbert