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Dr. Sheldon holds a PhD in Physics from the University of Maryland and an MA in Religion from Westminster Seminary, representing a rare synthesis of rigorous scientific training and theological scholarship. With over four decades of experience in space physics and aerospace instrumentation, Dr. Sheldon has made significant contributions to NASA's satellite missions spanning the WIND, AMPTE, SOHO, POLAR, and RBSP programs. He is the inventor of the HELIX Ultra High Resolution Mass Spectrometer and holds a patent for microsatellite telecommunications systems. His space science work includes pioneering discoveries on NASA's POLAR mission, notably the identification of the Greater Cusp Accelerator as a source of energetic particle phenomena. Currently, Dr. Sheldon serves as an analyst and physicist with Torch Technologies, bringing expertise in advanced photonic and sensing technologies, including Lidar systems, magnetic levitation, and optical hardware development. He holds a Secret security clearance and has led the design and operation of cutting-edge laboratory facilities for the Department of Defense. His theoretical work extends to next-generation propulsion concepts, including fission-fusion hybrid rockets and electric plasma propulsion systems, with multiple NASA NIAC (High-Risk High-Gain Innovation) proposals. Beyond his technical contributions, Dr. Sheldon has taught physics and astronomy across secondary, undergraduate, and graduate levels, and has authored three volumes of The Long Ascent: Genesis 1-11 in Science and Myth, which integrates archaeological evidence, mythology, and biblical scholarship. He is a member of SPIE, AIAA, and AGU.