Dr. Robert H. Silsbee was a distinguished physicist whose career was centered at Cornell University's Department of Physics, where he established himself as a dedicated researcher and educator. After completing his undergraduate and graduate studies at Harvard University, he earned his B.A. in 1950 and M.A. in 1951 before undertaking prestigious fellowships as a Coffin Fellow from 1953-54 and a General Electric Fellow from 1954-55. He culminated his formal education with a Ph.D. in Physics from Harvard in 1956, demonstrating early promise in the field of solid-state physics. His academic journey led him to Cornell University, where he served as an instructor and contributed to the department's research and teaching mission during a formative period for condensed matter physics.
Dr. Silsbee made significant contributions to the understanding of radiation damage mechanisms in crystalline materials, particularly in face-centered-cubic alkali structures. His research, published in the Journal of Applied Physics and cited in foundational works on radiation effects, examined how energetic particles interact with lattice structures and cause atomic displacements. His investigations into asymmetric collisions with lens ions and their defocusing effects at lower energies provided crucial insights into material behavior under radiation exposure. Though not revolutionary in scope, his methodical studies represented important incremental advances that expanded the theoretical framework for understanding defect formation and migration in solids, contributing to the broader knowledge base that would later inform materials engineering applications.
Beyond his research publications, Dr. Silsbee's legacy at Cornell University endures through his contributions to physics education and the intellectual environment of the department during the mid-20th century. His work formed part of the scientific foundation upon which subsequent generations of physicists built more sophisticated models of radiation-material interactions. While specific details of his later career are less documented in publicly available sources, his presence in Cornell's institutional records indicates his lasting connection to the university community. Today, his research continues to serve as historical reference in the evolution of condensed matter physics, reflecting the careful, systematic approach that characterized his scholarly contributions to the understanding of material properties under radiation conditions.