Who served as NFL commissioner from 1960 to 1989?

What is the nickname given to the last player selected in the NFL Draft? In what year was the first NFL Draft held? Who was the first player ever selected in the NFL Draft, in 1936? Which Olympic champion was the first president of the organization that became the NFL? Who became NFL commissioner in 2006? Who served as NFL commissioner from 1989 to 2006? Which Cowboys owner bought the team in 1989? Which owner bought the New England Patriots in 1994?