Professor Gerhard Ertl is a distinguished German physicist and chemist, renowned for his pioneering work in the field of surface chemistry and catalysis. He was born on October 10, 1936, in Stuttgart, Germany. Ertl's research has profoundly influenced our understanding of chemical processes on solid surfaces, which are crucial for many industrial applications, including the Haber-Bosch process for ammonia synthesis and catalytic converters in automobiles.