Bill W.

William Griffith Wilson (November 26, 1895 – January 24, 1971), also known as Bill Wilson or Bill W., was the co-founder of Alcoholics Anonymous (AA), an international mutual aid fellowship with over two million members belonging to 100,800 groups of alcoholics helping other alcoholics achieve and maintain sobriety. Following  AA's Twelfth Tradition of anonymity, Wilson is commonly known as "Bill W." or "Bill." After Wilson's death in 1971, his full name was included in obituaries.