Robert R Speers, PhD, Steven Tremble Spees, PhD, John L Speier, PhD, Richard Speight, Philip Speir, Aaron B Speirs, Jim Spellman, Anna Spelman, Edward L Spence, PhD, Kemet Spence, PhD, William H Spence, PhD, Brian Spencer, C R Spencer, Charles Spencer, Daniel Spencer, Gordon R Spencer, Michael S Spencer, PhD, Thomas Spencer, William Spencer, MD, James P. Serber, Richard J Sperley, PhD, William J Spezzano, Charles L Spiegel, Firth Spiegel, MD, Frederick Spielgelberg, Earl Spieles, Lawrence Spielvogel, Felix A Spies, Andrew Spiessbach, PhD, Charles W Spieth, Leroy Spilde, PhD, D Erik Spiller, Leo H Spinar, PhD, Robert Joseph Spinard, PhD, Bill Spindler, Robert F Spink, Joel S Spira, James Spires, Marion E Spitler, A J Spitzer, Jan J Spitzer, PhD, John G Spitzley, Paul Spivey, WB Spivey, Gary A Splitter, PhD, D R Spodyak, Marie T Spoerlein, PhD, Norman P Spofford, Ralph J Spohn, PhD, Robert B Spokane, PhD, Arthur Spoo, Harry Spooner, Rock Spraggins, Douglas S Sprague, Lucian M Sprague, PhD, Richard Sprague, John Obert Spreiter, PhD, Alfred C Spreng, PhD, Robert Spriggs, Harry Spring, Robert C Springborn, PhD, Allan Springer, PhD, David T Springer, PhD, Robert H Springer, PhD, Timothy A Springer, PhD, Pete Springsteen, MD, Colette Sprinkel, Robert L Sprinkel Jr, James Kent Sprinkle, J C Sprtsbergen, PhD, G J Sprokel, PhD, Julien C Sprott, PhD, Mark W Sprouls, D Sprowl, PhD, Eve S Sprunt, PhD, Hugh Sprunt, Michael Spurlock, PhD, Richard K Spurlock, James P Spurrier, Edward J Spyhalski, Donald P Squier, PhD, Alexander Squire, Charles F Squire, PhD