Simplified Rules of Order. Before a meeting can conduct business it requires a quorum--the minimum number of members who must be present at the meeting before business can be legally transacted. The requirement of a quorum is a protection against unrepresentative action in the name of the association by an unduly small number of people.
Extra credit: Sandburg volunteered for the U.S. Army and served in Puerto Rico (but did not see combat) during the Spanish-American War of 1898... Sandburg was married to Lillian Steichen, sister to the photographer Edward Steichen, from 1908 until his death in 1967...
But pressures and demands on him brought too much stress into his life. At the age of 31 Becker retired from professional tennis. In 1993, he married Barbara Feltus, who was the daughter of an African-American serviceman and a white German lady. The celebrity couple appeared naked on the cover of Stern magazine before their marriage (the photo was made by her father).