Society has developed dramatically in the past 150 years, with groundbreaking innovations and globally influential companies shaping the way we live today. However, some of the people behind the products and services we take for granted have flown firmly under the radar. From the inventor of the Bic pen to the woman who gave the world Barbie dolls, read on to discover the little-known entrepreneurs and innovators who played their part in changing the world.

George Eastman

When George Eastman (right) founded Kodak in 1888, photography was a niche pastime for the rich. His company's development of roll film brought photography to the masses and was instrumental in the invention of motion picture film. 

Madam C. J. Walker

Considered the "first Black woman millionaire in America", Madam C. J. Walker created a line of hair care products for Black women after her own experiences with a scalp ailment that caused hair loss.

Radio and TV pioneer David Sarnoff saw the potential of radio as a device for broadcasting to the masses. At the time, technology was being used to communicate information from one individual to another.

Olive Ann Beech

American businesswoman Olive Ann Beech was often referred to as the "first lady of aviation" for her impact on the male-dominated airline industry. She co-founded Beech Aircraft Corporation with her husband Walter Beech in 1932 and played a key role in the company's growth during World War II.

Frederick McKinley Jones

The first African-American to be awarded the National Medal of Technology, Frederick McKinley Jones invented a method of mobile refrigeration which consisted of a small compressor unit attached to delivery trucks allowing perishable foods to be transported over long distances.

Ray Kroc

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