Horgan seems to be into Shannon; here's another:
@article{Horgan1990,
author = "J. Horgan",
title = "Profile: {Claude E. Shannon}",
journal = "Sci. Am.",
volume = "262",
number = "1",
pages = "22-22B",
month = "January",
year = "1990"}
Tom Schneider
National Cancer Institute
Laboratory of Mathematical Biology
Frederick, Maryland 21702-1201
toms at ncifcrf.gov