Joseph Burr Tyrrell (November 1, 1858 – August 26, 1957) was a Canadian geologist, cartographer, and mining consultant. He discovered dinosaur (Albertosaurus) bones in Alberta's Badlands and coal around Drumheller in 1884. Canada's Royal Tyrrell Museum of Palaeontology in Alberta was named in his honour.Tyrrell was born in Weston, Ontario, the third child of William and Elizabeth Tyrrell.