Sewall Wright, a population geneticist and developer of the theory of shifting balance, was born in Massachusetts in 1889 and died in 1988 after complications from a pelvic fracture. He earned his Bachelor's degree at Lombard College in Illinois, his Master's degree at the University of Illinois and his PhD at Harvard University. Later, Wright worked for the US Department of Agriculture and as an associate professor of Zoology at the University of Chicago. Sewall Wright continued working even after his mandated retirement from the University of Chicago when he reached 65 years of age, after which he professor emeritus at the University of Wisconsin where he stayed until his death in 1988.…
