Sir William MacGregor Henderson was a Scottish veterinary expert on foot and mouth disease. He was President of the Zoological Society of London 1984-1989.
Frederick Charles Hengler was an English circus proprietor. From 1857 he established permanent circuses in several cities
Employed at ZSL Whipsnade Zoo
Chef at ZSL Whipsnade Zoo
Joseph Henry was an American scientist who served as the first secretary of the Smithsonian Institution. He was the secretary for the National Institute for the Promotion of Science, a precursor of the Smithsonian Institution. He also served as president of the National Academy of Sciences from 1868 to 1878
Typist at ZSL London Zoo