John Celivergos Zachos occupation inventor
Career and later life
Another notable Greek American abolitionist was a resident of Boston around this period.  His name was Chaplain Photius Fisk.  Zachos continued living in Boston for another two years. He became a Unitarian Minister.  He gave twelve lectures at the Lowell Institute.  Both Samuel Gridley Howe and Zachos Departed Boston at around the same time. Samuel Gridley Howe traveled back to Greece to carry relief to the Cretan refugees and Zachos moved to Meadville Lombard Theological School.
In May 1866, he became the Professor of Sacred Rhetoric.  While at the Theological School he established another Literary Society.  American author, historian, and Unitarian minister Edward Everett Hale spoke very highly of John C. Zachos. By 1868 Zachos moved to Ithaca, New York to the Ithaca Chapter of the Theological Seminary.  He remained associated with the former institution until 1871.  While at Ithaca Zachos also lectured and taught classes at the newly founded Cornell University.In 1871, now 51 he moved to New York City where he would stay until the time of his death.  Peter Cooper and John C. Zachos became good friends. 
Zachos influenced the foundation of Cooper Union.  He taught literature and public speech.  In 1876 he was Peter Cooper's first biographer.  He was a Professor and Library Curator at Cooper Union.Zachos invented a medical device called an Improvement to Abdominal & Spinal Supporters.  A patent was filed on July 16, 1872. The No. was 129202.  The device was also patented in England.Due to his legendary reputation in the Civil War as an Army Surgeon. Zachos also became medical advisor to the Butler Health Lift.  He collaborated with the inventor of exercise equipment David Butler.  Together they wrote the instructional books on health and exercise and the benefit of using the equipment.On December 24, 1875 he filed patent number 175892 for typewriters and phenotypic notation application. The machine was a stenotype used for printing legible English text at a high speed.  He obtained 10,000 dollars in investment capital for his invention.  He continued his advancement of oratory the next two decades.
He was a proponent of the Delsarte System of Oratory founded by François Delsarte.  He also advocated the James Rush classic, The Philosophy of the Human Voice.  James Rush was the son of Benjamin Rush.
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