Major Stanley Smyth Flower OBE FLS FZS (1 August 1871 – 3 February 1946) was an English army officer, science advisor, administrator, zoologist and conservationist.

[3] Among his first cousins were Sir Archibald Dennis Flower, head of the family brewery, the soldier Nevill Smyth VC, and Robert Baden-Powell, founder of the Boy Scout movement.

[8][10] In 1898 the government of Egypt under Lord Cromer wanted to appoint a Director of the Zoological Gardens at Giza and he gained the post, which he held until his retirement.

While in Egypt, he organised the Zoological Museum in a building in Giza Zoo, started the Fish Garden with aquarium on Gezira Island, and was appointed Ranger of Central Africa.

[16] In April 1924, his health impaired, he resigned his post and with his wife returned to England to settle near Tring, where he could pursue his studies at the Walter Rothschild Zoological Museum.

During his retirement, he visited many zoos around the world and wrote many papers on mammals, birds, reptiles, fishes and amphibians of Egypt as well as on animal longevity.