He was very active professionally and also served on the councils of the Institution of Naval Architects, Institution of Structural Engineers and the Institution of Waterworks Engineers; he was an Institution of Mechanical Engineers honorary member.
In most countries such medical professionals must, in order to be active professionally, be registered with a national body, and agree to act professionally in manner that is considered compatible with their profession.
Carol continued to be active professionally throughout her battle with Parkinson's.
She is active professionally in the American Academy of Nursing, American Nurses Association, North Carolina Nurses Association, and Sigma Theta Tau International.
He was professionally active through most of his adult life, and he contributed to a variety of disciplines, among them economics, political philosophy, psychology, the history of ideas, and the philosophy and methodology of the social sciences.
He is not professionally active as a player at the moment - although he still occasionally records with friends - but still saturates himself in music, mostly electronica and is delighted by the democratising effect of improved and cheaper technology.
Professionally he was highly active in the Industrial Relations Research Association of Israel, where he served as President during 1984-1986.
He admitted he was an active paedophile.
By the time he was 12, he was performing professionally.
By the time he was 15, he was playing professionally.
Now 93 years old and still active professionally, he remembers the moment of truth.
