Carl Munters

gas absorption refrigerator now sold by Electrolux. He also invented and patented a method of making foamed plastic, which was later rediscovered by Dow Chemical Company and used to make Styrofoam.^[1]

Royal Institute of Technology where they were students. It took them about a year to create a first prototype that worked with self-circulation. The prototype still had one moving part, a ball valve, and was big and clumsy. Eventually the design was improved and their cooling solution was a world sensation.^{[citation needed]} Albert Einstein once mentioned how astonished he was by their ingenious solution.^{[citation needed}