Gray's paradox was originated by the zoologist James Gray in 1936 (J. Exp. Biol. 13: 192–199, 1936). The paradox questioned how a dolphin is able to swim fast (~10.1 meters per second according to his calculations) with what he saw as a limited ability to generate that much power. Therefore, he concluded that dolphins must have some mechanism or adaptation to reduce drag (Davidson College).
More recently, Dr. Frank Fish (West Chester University, Pennsylvania) was quoted in The Scientist saying, “To resolve the paradox was to assume that flow over the dolphin’s body is laminar, meaning that…