Klein was mayor of Calgary and later premier of the province
Colleen Klein walks with Calgary mayor Naheed Nenshi, second from right, during the memorial and celebration of life for her husband Ralph Klein in Calgary, Alberta, April 5, 2013.TODD KOROL/Reuters
Widow Colleen Klein, left, is escorted by Calgary Mayor Naheed Nenshi.LARRY MACDOUGAL/The Canadian Press
Colleen Klein receives the provincial flag from Alberta Lieutenant Governor Donald Ethell.TODD KOROL/Reuters
Colleen Klein walks with Calgary mayor Naheed Nenshi, centre, past a police officer to the memorial and celebration of life for her husband Ralph Klein.TODD KOROL/Reuters
Colleen Klein pauses after receiving the City of Calgary flag.TODD KOROL/Reuters
Prime Minister Stephen Harper and his wife Laureen Harper are greeted by Calgary alderman Diane Colley-Urquhart at the memorial for former Alberta premier Ralph Klein in Calgary, Alberta on April 5, 2013.JASON FRANSON/The Canadian Press
Former prime minister Jean Chrétien arrives at the memorial service for Ralph Klein, in Calgary, Alberta, on April 5, 2013.JASON FRANSON/Reuters
Widow Colleen Klein, centre, is escorted by dignitaries and White Hatters as she walks from city hall to the main public memorial service.LARRY MACDOUGAL/The Canadian Press
Prime Minister Stephen Harper speaks during the memorial for former Alberta premier Ralph Klein in Calgary, Alberta on April 5, 2013.JASON FRANSON/The Canadian Press
Alberta Premier Alison Redford speaks during the memorial for former Alberta premier Ralph Klein in Calgary, Alberta on April 5, 2013.JASON FRANSON/The Canadian Press