Hans R. Camenzin the inventor of the famous 555 timer IC died at the age of 78:
Hans R. Camenzind was an electronics engineer best known for inventing the 555 timer IC in 1970. He was an inventor on 20 US patents.
During his career he wrote three textbooks, designed the first integrated class D amplifier, introduced the phase-locked loop concept to ICs, invented the semicustom IC and created the 555 timer. He had designed 140 standard and custom ICs as of 2006.
Via createdigitalmusic.com, and matrixsynth.