Leo Attungowruk was born in 1913 in Point Hope, Alaska, and lived in Point Lay, Alaska. His parents were Minnie and Jakie Attungowruk. Leo grew up living a subsistence lifestyle, where hunting and fishing were critically important for survival. Leo married Martha Ukpiksoun. In the 1950s, he found work helping with the Coast and Geodetic Survey and other visiting projects. As a life-long seal hunter and whaler, Leo learned to understand the sea ice and how to travel and hunt safely on it. Leo Attungowruk died on April 1,1990.