Sewall Wright

Ketterson E 2010 2009 American Society of Naturalists Awards: Sewall Wright Award−Michael J. Wade. Am Nat 175:ii-iii.

• the dominant view of natural selection has been that population sizes are large, such that genetic drift (chance or sampling error) and interactions among genes in the same individual (epistasis) are unimportant and can safely be ignored

• two different views have been contested at least since the 1930s
• they were the basis for a classic argument between two of the leading theoreticians of the time (R. A. Fisher and Sewall Wright)