Prince Philip and Margaret Trudeau, wife of the Prime Minister, listen to the Queen as she officially opens the Lester B. Pearson external affairs bui(...)

Original Toronto Star caption: Prince Philip and Margaret Trudeau; wife of the Prime Minister; listen to the Queen as she officially opens the Lester B. Pearson external affairs building yesterday in Ottawa. In her only speech of her five-day visit to Ottawa; the Queen referred to her friendship with Mike Pearson; former prime minister and winner of the Nobel Peace Prize. Pearson's widow; Maryon; was there for the opening.