Michael Alexander Kostek was born in 1926 in Poland and immigrated to Two Hills, Alberta, with his parents in 1928. He moved to Edmonton to earn an education degree at the University of Alberta. In 1953, Kostek started with Edmonton Public Schools as a junior high school teacher at Oliver School (now Wîhkwêntôwin School), Ritchie School and Hardisty School and was a principal at Lauderdale School and Waverly School. Kostek also held positions of Junior High School Consultant, Director of Communications, Director of Administrative Staffing and retired as the Executive Assistant to the Superintendent in 1983.
In addition to his years of service with Edmonton Public Schools, he had teaching experiences in Quebec, Malawi, and the Netherlands. After retirement, Kostek put his experience to good use as the school Archivist-Historian at McKay Avenue School. Kostek’s contributions to public education were recognized in 1984 when he received an Alberta Achievement Award for Excellence in Education.
After retiring, Kostek became involved in the history community in Edmonton and was heavily involved in the restoration of McKay Avenue School and in the creation of Edmonton Public Schools Archives and Museum. Michael wrote two books: "Looking Back: A Century of Education in Edmonton's Public Schools" in 1982 and an undated version in 1992 called "A Century and Ten: A History of Edmonton Public Schools.
In recognition of his many contributions as a volunteer with many historic associations, Kostek was inducted into the city’s “Historic Hall” in 1982 and in 1989, he received the City of Edmonton Certificate of Appreciation and Recognition as an Outstanding Citizen in Alberta. In 2002, he was awarded the Award of Merit from the Edmonton Historical Society and in 2003, was the recipient of the Queen’s Jubilee Medal. Michael Kostek died in 2015.