Lauren Bacall for "To Have and Have Not" (1944), Bacall was so nervous that, to minimize her quivering, she pressed her chin against her chest, faced the camera, and tilted her eyes upward. This effect, which came to be known as "The Look", became another Bacall trademark, along with her sultry voice. Bacall's character in the film used Slim Hawks' nickname "Slim", and Bogart used Howard Hawks' nickname "Steve". The on-set chemistry between the two was immediate according to Bacall. She and Bogart (who was married at the time to Mayo Methot) began a romantic relationship several weeks into shooting. Bacall's role
Lauren Bacall at the end of an article he wrote, titled "I'm No Communist", in the May 1948 edition of "Photoplay" magazine, written to counteract negative publicity resulting from his appearance before the House Committee. Bogart and Bacall distanced themselves from the Hollywood Ten, and said: "We're about as much in favor of Communism as J. Edgar Hoover." Bacall campaigned for Democratic candidate Adlai Stevenson in the 1952 presidential election, accompanying him on motorcades along with Bogart, and flying east to help in the final laps of Stevenson's campaign in New York and Chicago. She also campaigned for Robert Kennedy in his