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Dr Richard Joseph Simon Seligman, metallurgist and chemical engineer
1878 Born on his father's farm in Wimbledon; he was son of a city banker
Educated at Harrow, the City and Guilds Central Technical College in London, then Hamburg and Zurich where he gained a PhD
1904 Joined British Aluminium Co as chief chemist
1908 Left British Aluminium; obtained licence to develop a Swiss patent for welding aluminium. Pioneered autogenous welding of aluminium, and applying welding to vessels used in the milk industry.
1923 Conceived the idea of the plate heat exchanger and took out the first patent of this device
1941 Largely through his advice the UK government adopted the high temperature, short residence time method of pastuerizing milk
1958 President of APV
1972 Died at his office in Crawley