Stanley Maddox Rumbough, Jr. was born in New York City and attended Yale University. His parents were LtCol Stanley Maddox Rumbough and Elizabeth Morse Colgate, great-granddaughter of William Colgate founder of Colgate-Palmolive. He had one sister named Elizabeth Colgate Rumbough. For many years he worked for a variety of manufacturing companies. Rumbough also had an interest in Republican politics. In 1951, he was co-founder of the Citizens for Eisenhower movement, which helped develop grass roots support for the presidential campaign of Dwight D. Eisenhower. Branches of Citizens for Eisenhower were established in each state and helped plan local campaign activities. At the height of the 1952 campaign the national headquarters of Citizens for Eisenhower in New York City had over 700 volunteers and an extensive administrative staff. After Eisenhower became president, Rumbough became a special assistant in the White House where he helped organize the Executive Branch Liaison Office. 

New York City