Amos Dolbear

He invented the first telephone receiver with a permanent magnet in 1865, 11 years before Alexander Graham Bell patented his model.

The June 18, 1881, edition of Scientific American reported: [...] had he been observant of patent office formalities, it is possible that the speaking telephone, now so widely credited to Mr. Bell would be garnered among his own laurels.

[9] In April 1902, American Wireless petitioned Congress to extend the 1886 patent by ten years, but was unsuccessful, so it duly expired on October 4, 1903.

[citation needed] He also invented the opeidoscope (an instrument for visualizing vibration of sound waves, using a mirror mounted on a membrane) and a system of incandescent lighting.

[3] In 2008, Kent Biffle of the Dallas Morning News reported receiving newspaper clippings from a local lawyer and historian on the subject of UFO sightings in Stephenville, Texas.

[12] Apparently in 1897, widespread newspaper reports of a cigar-shaped flying object started to circulate in the Midwest and Southwest.

[13][14] Responding to sightings previously reported in the Morning News, on April 17, 1897, one respected Erath County farmer, C.L.

McIlhany discovered such a craft had landed on his property, and reported two human operators, a pilot and an engineer, who gave their names as "S.E.

Circuit of Dolbear's wireless telephone, from his 1882 patent. The transmitter (A) consisted of an electrostatic microphone (T) and battery in the primary circuit of an induction coil (G). One side of the high voltage secondary winding is earthed (C) the other side connected to an elevated capacitance (H1). The receiver (B) consists of a battery, earphone (R) and capacitor (H) connected in series between an elevated capacitor (H2) and earth (D).