Premise: Julie Summers (born 1960) is an English author, historical consultant and writer, best known for the book "Jambusters." The book focuses on several women who were members of the Women's Institute during World War II and who were inspiration for the ITV series Home Fires. She is the granddaughter of Philip Toosey and the great niece of Sandy Irvine.
Hypothesis: Julie Summers was born in 1960.