Genetics is one of the most vibrant branches of science. This is exemplified by the exponential growth of the number of publications dealing with various aspects of heredity, the number of scientists currently involved in genetic research or the vast amount of information provided by the contemporary genetic textbooks. The success of genetics is the result of several extraordinary personal stories. Their actors, thanks to their intuition and talent, unconventional methodological approaches and very often also a large dose of luck, were able to falsify the incorrect views on the mechanisms of...