David Klein was a notable American graphic designer and illustrator, celebrated for his iconic travel posters and significant contributions to mid-century modern art. His work for Trans World Airlines (TWA) in the 1950s and 1960s solidified his reputation as a pioneer in vibrant and captivating commercial art. David Klein was born in El Paso, Texas, in 1918, and grew up in California. His artistic journey began in the burgeoning art scenes of Los Angeles and New York City.