On the Threshold of the Unseen

Sir William Fletcher Barrett (February 10, 1844 - May 26, 1925) was Professor of Physics at the Royal College of Science for Dublin from 1873-1910 and one of the distinguished early psychical researchers. He was instrumental in the founding of the Society for Psychical Research (SPR) in 1882, serving as vice-president and editor of the Society's Journal during its first year and he became president in 1904. He also encouraged Professor William James of Harvard to organize the American branc...