Electronic Journal of Differential Equations, Conference 05 (2000), pp. 13-19. Title: A perspective on the contributions of Alan C. Lazer to critical point theory Author: Alfonso Castro (Univ. of Texas, San Antonio, TX, USA) Abstract: Over the last thirty five years Professor Alan C. Lazer has been a leading figure in the development of min-max methods and critical point theory for applications to partial differential equations. The author, his former student, summarizes from his own perspective Professor Lazer's contributions to the subject. Published October 24, 2000. Math Subject Classifications: 34B15, 35J65. Key Words: Critical points; boundary-value problems; resonance.