Tudor Bompa was one of the fathers of periodization, a training system developed by the Soviets that aimed for optimal performance by varying the training stress throughout the year rather than maintaining a constant training focus. Bompa's training theory was laid out in his seminal work "Theory and Methodology of Training". Bompa's understanding of assisted the Eastern Bloc domination of athletic competitions for three decades. Wikipedia
The definitive Wikipedia entry for Tudor Bompa. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Tudor_Bompa