In 1960, the Daily Mail ran an appeal to identify the “rainbow baby” left on the second floor of the London building. The newspaper revisited the story in 2009 in a further attempt to uncover new leads.
Despite years of searching, David said there was very little information about his birth parents in his adoption records.
“It was like finding a needle in a haystack,” he added.
“But my wife got involved and realised there was a police report in the records and was able to locate the woman, a PC named Tegwin Curl, who dealt with me. She was able to give us more information about the day I was found.”
His wife, Julie Stevenson, a former Peterborough City Councillor, said: “The police officer said she had never forgotten rescuing David. It was one of the most poignant events in her career.”