Ernst Mach Ernst Mach Ernst Waldfried Josef Wenzel Mach (; ; 18 February 1838 – 19 February 1916) was an Austrian physicist and philosopher, noted for his contributions to physics such as study of shock waves. The ratio of one's speed to that of sound is named the Mach number in his honor. As a philosopher of science, he was a major influence on logical positivism and American pragmatism. Through his criticism of Newton's theories of space and time, he foreshadowed Einstein's theory of relativity. Ernst Waldfried Josef Wenzel Mach was born in Chrlice (), Moravia (then in the Austrian empire, now
Ford Mustang Mach 1 Ford Mustang Mach 1 The Ford Mustang Mach 1 is a performance-oriented option package of the Ford Mustang, originally introduced by Ford in August 1968 as a package for the 1969 model year. The Mach 1 title adorned performance oriented Mustang offerings until the original retirement of the moniker in 1978. As part of a Ford heritage program, the Mach 1 package returned in 2003 as a high performance version of the New Edge platform. Visual connections to the 1969 model were integrated into the design to pay homage to the original. This generation of the Mach 1 was discontinued