At the age of 14 Klaus Heilmann got his first camera. During high school he also received a photo lab training. Still beeing a pupil he earned his first money with selling colour photographs for advertising purposes to AGFA and press photos to newspapers.
Despite this promising beginning he decided not to become a professional photographer, studied medicine and became later professor of ophthalmology at the Technical University of Munich. Amongst other things his particular scientific interest lay in sensory functions of the eye, his inaugural lecture was on „Camera, Eye and Vision“.