This unique volume presents a collection of the extensive journal publications by Kai Lai Chung over his 70-year career on the occasion of his 90th birthday. The selection was made in consultation with him and is only a subset of the many contributions that he has made throughout his prolific career. Another volume, Chance and Choice, published by World Scientific in 2004, contains yet another subset, with four articles in common with this volume. Kai Lai Chung's research contributions had a major influence on several areas in probability. Among his most significant works are those related to...