The 17 Essential Qualities Of A Team Player: Becoming The Kind Of Person Every Team Wants

by John C. Maxwell

In 1955, there were 28,985 cases of polio reported in the United States. In 1956, that number was cut in half. In 1957, there were only 5,894. Today, thanks to the work of Jonas Salk and subsequent efforts by other scientists such as Albert Sabin, cases of polio in the U.S. are virtually nonexistent.