because she refused to register for civil defense duties or to pay the resulting fine; her Swarthmore Lecture was titled "Removing the Causes of War" Maria Mitchell – astronomer who was raised as a Quaker but later adopted Christian Unitarianism Frank Morley – mathematician specializing in algebra and geometry and known for Morley's trisector theorem. Was the son of two Quakers Frederick Parker-Rhodes – plant pathologist and linguistics researcher, also active in other fields William Philips – founder of the Geological Society of London Lewis Fry Richardson – meteorologist; his Quaker beliefs exempted him from military service during World War I Lucy Say – naturalist, nature artist, and first female member of the Academy of Natural Sciences of Philadelphia Thomas Say – entomologist, conchologist, and herpetologist Joseph Hooton Taylor, Jr. – astrophysicist and winner of the 1993 Nobel Prize in Physics for his discovery with Russell Alan Hulse of a "new type of pulsar, a discovery that has opened up new possibilities for the study of gravitation" Silvanus P. Thompson – known for his book Calculus Made Easy; developed an idea of a telegraph submarine cable; his Swarthmore Lecture was titled "The Quest for Truth" William Homan Thorpe – President of the British Ornithologists' Union from 1955-1960; his Swarthmore Lecture was titled "Quakers and Humanists" Daniel Hack Tuke – expert on mental illness; came from a long line of Quakers from York who were interested in mental illness and concerned with those afflicted Caspar Wistar – anatomist in colonial America Thomas Young – polymath and child prodigy; raised Quaker. See also List of Friends schools List of Quakers Relationship between religion and science Christianity and science References Further reading Quakers in Science and Industry by Arthur Raistrick. Science Quakers Christianity and science Quakerism-related lists