Norman Borlaug, an agricultural scientist, developed new strains of crops which yielded 4 times as much food . He is said to have saved the lives of over a billion people, making him one of the most influential men in human history.

When building the Golden Gate Bridge, the lead structural engineer insisted on the installation of a safety net at an exorbitant cost of US$130,000. It saved 19 workers.

Steve McQueen’s infidelity might have saved his life. He was supposed to attend the dinner party where the Manson family murdered Sharon Tate and others, but skipped it after he “ran into a chickie.”

Notre Dame, one of Paris’ oldest edifices, was almost demolished in the 19th century and was only saved by Victor Hugo, who planted it back in the public’s hearts and consciousness through his novel.