Paul MacCready (1925-2007) Paul MacCready is an American aeronautical engineer and creator of numerous inventions such as the first functional human-powered airplanes in the 1970s. From an early age, Paul MacCready was an enthusiastic builder of
Holy Kordesch life
Karl KORDESCH (1922-2011) Some objects are so much a part of our daily lives that we don’t even think about them. Alkaline batteries are among these irreplaceable “utilities”, even if one of their characteristics is
Holy Telkes life
Maria TELKES (1900-1995) Mária Telkes was an American chemist and biophysicist of Hungarian origin, best known for her invention of the solar distiller and the first solar heating system designed for homes. She also invented
