I think I just found the first reference to forward crossovers in the skating literature. In 1788, Gerhard Ulrich Anton Vieth gave a lecture to a group of (what he called) friends. That lecture was published in Neue Litteratur und Völkerkunde and, in 1790, reprinted as a book with the title Über das Schrittschuhlaufen. It's… Continue reading The first crossover