- Alexander C. R. Hammond
Heroes of Progress, Pt. 23: Willis Haviland Carrier

Introducing Willis Haviland Carrier, the American engineer who created the first modern air conditioning unit. The invention provides us respite from the summer heat; enabled our species to inhabit previously inhospitable places; increased work productivity when installed in factories and offices around the world; and saved millions of people from suffering heat-related deaths.
To read the full article, click here.