Are both Anders Morgenthaler and William Kennedy Dickson considered inventors?
William Kennedy Dickson William Kennedy-Laurie Dickson (3 August 1860 – 28 September 1935) was a Scottish inventor who devised an early motion picture camera under the employment of Thomas Edison (post-dating the work of Louis Le Prince).
Carleton Ellis Carleton Ellis (September 20, 1876 – January 13, 1941) was an American inventor and a pioneer in the field of organic chemistry. He is the forgotten father of margarine, polyester, anti-knock gasoline, paint and varnish remover, and holder of 753 patents. A native of Keene, New Hampshire, he was the valedictorian of his high school class, and later a graduate of MIT. He then set up the Ellis Laboratories in Montclair, New Jersey.