Definition
Ernst Mach (1838-1916) was an Austrian physicist and philosopher whose work profoundly influenced 20th-century science and philosophy. He made significant contributions to physics, particularly in the study of shock waves and supersonic motion. Mach also developed ideas about perception and the philosophy of science, emphasizing the importance of empirical observation. He was a keen advocate of the scientific method and a precursor to logical positivism. His impact resonates in fields ranging from fluid dynamics to cognitive science. Basically, a super smart scientist.