Dr. Leonard Dunnell Gale (July 25, 1800 – October 22, 1883) was a professor of chemistry and mineralogy who helped Samuel Morse develop the electromagnetic telegraph.
Dr. Leonard Dunnell Gale (July 25, 1800 – October 22, 1883) was a professor of chemistry and mineralogy who helped Samuel Morse develop the electromagnetic telegraph. (en)
Dr. Leonard Dunnell Gale (July 25, 1800 – October 22, 1883) was a professor of chemistry and mineralogy who helped Samuel Morse develop the electromagnetic telegraph. (en)