American inventors

2 articles tagged with #American inventors

The iconic LOVE sculpture against Philadelphia's downtown skyline on a clear day.

Robert Goddard: The Engineer Who Built the First Liquid-Fueled Rocket

Robert Goddard launched the first liquid-fueled rocket in 1926, held 214 patents, and was ridiculed by the NYT — which retracted its criticism hours before Apollo 11 landed.

Editorial Team·May 31, 2026·19 min

A technician skillfully repairing an outdoor air conditioning unit mounted on a building wall.

Scientists

Willis Carrier: The Engineer Who Invented Modern Air Conditioning

Willis Carrier invented the first modern air conditioning system in 1902 to solve a humidity problem at a Brooklyn printing plant. His psychrometric equations still govern HVAC design today.

Editorial Team·May 31, 2026·20 min