Delbert Fulkerson is an American mathematician known for his contributions to the field of operations research and combinatorial optimization. He is particularly recognized for his work on network flows and the development of algorithms that solve problems related to transportation and logistics. Fulkerson has authored and co-authored numerous research papers and has been involved in various academic institutions. His work has influenced areas such as graph theory and linear programming, making significant impacts on both theoretical and practical applications in mathematics and computer science.