Sir Charles Galton Darwin, KBE, MC, FRS
Sir Charles Galton Darwin, KBE, MC, FRS (18 December 1887 – 31 December 1962) was an English physicist, the grandson of Charles Darwin. On the outbreak of World War I, he was commissioned and sent to France as a censor. A year later William Lawrence Bragg had him transferred to the Royal Engineers to participate in the work on the localisation of enemy artillery by sound ranging. When that was on a sound footing he was transferred to the RAF to study aircraft noise. His research often took him to the front lines for which he was awarded the Military Cross,. During the Second World War he served as director of the National Physical Laboratory.