1903 – Born on the 6th of April.
1927 – He earned a master’s degree in electrical engineering from Massachusetts Institute of Technology.
1928 – He married to his wife Esther Garret.
1931 – He was awarded for his Doctor of Science thesis in electrical engineering.
1934 – He was awarded a bronze medal by the Royal Photographic Society.
1947 – He was a co-founder of the company EG&G.
1973 – He was awarded a National Medal of Science.
1987 – His work was featured in National Geographic Magazine.
1990 – He died on the 4th of January.