So John Anderson, one of the members of the Pioneer 10 navigation team at the Jet Propulsion Laboratory in Pasadena, California, says he feels a professional responsibility to make his sums add up.
In the U.S., 51 percent of management and professional workforce are women, yet we just makeup a mere four percent of Fortune 500 CEOs, according to Catalyst data.
The campaign generated so much publicity that at one point the Federal Trade Commission intervened to make sure that the twin with the Toni wave wasn't done up by a professional.
The centre-left Social Democrats say the current make-up of the armed forces does not work for the 21st Century, arguing that a professional army is needed to work more effectively with other European armies.