Dr. Robert McGwier, widely known as Science Bob, is an American scientist and academic whose work spans applied mathematics, signal processing, and national security–related research. He is a professor of mathematics and a research faculty member at Virginia Tech, where he has been affiliated with the Ted and Karyn Hume Center for National Security and Technology. McGwier’s expertise includes radar systems, electronic warfare, spectrum analysis, and advanced signal exploitation, with a career that bridges academia, defense research, and government advisory roles. He has contributed to classified and unclassified research programs and has published and presented on topics related to sensing, data analysis, and emerging technologies. Under the moniker Science Bob, he is also known for public-facing commentary that explains complex scientific and technical issues for broader audiences, including discussions on defense technology, intelligence, and applied science.