Famous First Initials

A. A. Milne

B. B. King

F. Scott Fitzgerald

H.G. Wells

J. Edgar Hoover

J. B. Priestley

H. Rider Haggard

See more at

http://mentalfloss.com/article/28788/real-names-18-authors-known-initials

http://en.wikipedia.org/wiki/List_of_literary_initials