Willis Carrier
Willis Haviland Carrier (November 26, 1876 – October 7, 1950) was an American engineer, best known for inventing modern air conditioning. Carrier invented the first electrical air conditioning unit in 1902. In 1915, he founded Carrier Corporation, a company specializing in the manufacture and distribution of heating, ventilation, and air conditioning (HVAC) systems.
Famous-Barr
Famous-Barr was created in 1911 through the merger of The William Barr Dry Goods Co. and previously May-owned The Famous Clothing Store. Famous-Barr was the first air conditioned department store in the United States. The store opened in Downtown St. Louis in 1914.