Humphrey Bogart and Lauren Bacall's passionate, short-lived marriage began with their affair on the set of 'To Have and Have Not.'

Humphrey Bogart and Lauren Bacall, 1940s

Bogie and Bacall, Liz and Dick, Spencer Tracy and Katharine Hepburn: These legendary loves are more iconic than anything made for the silver screen.

Even today, we can learn from the legendary Hollywood leading man.

Birthday remembrance today for Lauren Bacall. 9/16/1924-8/12/2014.

Humphrey Bogart & Lauren Bacall

Humphrey Bogart and Lauren Bacall

The iconic couple in 24 tender photos.

In the months after the death of legendary actor Humphrey Bogart from cancer at 57, Frank Sinatra (right) kept a respectful distance from Bogie's widow Lauren 'Betty' Bacall (left).

Exactly 70 years ago today, on May 21, 1945, #HumphreyBogart and #LaurenBacall got married. #TimelessRomance #icons #wedding #marriage #OldHollywood