John George Children

John George Children FRS FRSE FLS PRES (18 May 1777 – 1 January 1852 in Halstead, Kent) was a British chemist, mineralogist and zoologist. He was a friend of Sir Humphry Davy, who helped him secure a controversial appointment to a post in the British Museum. Along with Davy he built a large galvanic cell, assisted him in experiments and invented a method to extract silver from ore without the need for mercury. Children was also the founding president of the Royal Entomological Society. His daughter Anna Atkins became a pioneer of botanical photography.