by Elisha Gray
by Michael Faraday
by James Clerk Maxwell
by Wm. H. (William Henry) Meadowcroft
by W. H. (William Henry) McCormick
by Charles R. (Charles Robert) Gibson
by John Munro
by Thomas M. (Thomas Matthew) St. John
by Thomas A. (Thomas Alva) Edison
by Garret A. (Garret Augustus) Hobart