Lloyd Espenschied (April 27, 1889 – June 21, 1986) was an American electrical engineer who invented the modern coaxial cable with Herman Andrew Affel.

[2][3][4][5] Fred was an 1875 graduate of the St. Louis Law School, which is today part of Washington University.

[6] Beginning in 1916, Espenschied worked with Herman Affel and other colleagues on a carrier system from Baltimore to Pittsburgh.

In 1930, he applied for a patent on a device based on a mathematical analysis used by the radio altimeter invented by William Littell Everitt at Ohio State University.

[2] In April 1912, Espenschied married another Pratt student, Ethel Fairfield Lovejoy, known as "Lovey".