7 The 100 Most Influential Inventors of All Time 7The automatic telegraph, which recorded messages by
means of a chemical reaction engendered by the electrical
transmissions, proved of limited commercial success, but
the work advanced Edison’s knowledge of chemistry and
laid the basis for his development of the electric pen
and mimeograph, both important devices in the early
office machine industry, and indirectly led to the discovery
of the phonograph. Under the aegis of Western Union he
devised the quadruplex, capable of transmitting four
messages simultaneously over one wire, but railroad
baron and Wall Street financier Jay Gould, Western Union’s
bitter rival, snatched the quadruplex from the telegraph
company’s grasp in December 1874 by paying Edison
more than $100,000 in cash, bonds, and stock, one of the
larger payments for any invention up to that time. Years of
litigation followed.
Menlo Park
Although Edison was a sharp bargainer, he was a poor
financial manager, often spending and giving away money
more rapidly than he earned it. In 1871 he married 16 -year-
old Mary Stilwell, who was as improvident in household
matters as he was in business, and before the end of 1875
they were in financial difficulties. To reduce his costs and
the temptation to spend money, Edison brought his now-
widowed father from Port Huron to build a 2 1/2-story
laboratory and machine shop in the rural environs of
Menlo Park, N.J.—12 miles south of Newark—where he
moved in March 1876. Accompanying him were two key
associates, Charles Batchelor and John Kruesi. Batchelor,
born in Manchester in 1845, was a master mechanic and
draftsman who complemented Edison perfectly and served
as his “ears” on such projects as the phonograph and
telephone. He was also responsible for fashioning the