The authors are former students and research fellows of Prof Nicolaas Bloembergen, winner of the Nobel Prize, who has pioneered three distinct fields of science: NMR, masers and nonlinear optics. Each author has contributed a paper of current interest inspired by some aspect of Prof Bloembergen's 50-year career. This volume contains a historical record of one of the great scientists of the 20th century, including a complete bibliography of his papers, four of his most significant publications and evidence of his impact on generations of scientists.