Eric Herbert Mitchell "Tim" Ealey, 29 March 1927 ^[1] - 21 October 2020, was an Australian biologist, known for his contributions to science, the environment and conservation awareness and was the recipient of a Medal of the Order of Australia. Ealey has received international recognition for his works, and nationally acknowledged for a program that involved schools in rehabilitation of the environment.^[2] Ealey was commemorated in the specific epithet of a tiny marsupial, Ningaui timealeyi, he discovered in the Pilbara region of Western Australia.^[3] Amongst his works was research on the monotreme family of Tachyglossidae, the species of echidnas.^[1] Ealey worked for the Antarctic Division in the 1950s, researching the fauna of Heard Island. ^[4][5] The Ealey Glacier there is named after him.