individual inventor
41John C. Moss — John Calvin Moss (1836 April 8, 1892) invented the first practicable photo engraving process in 1863. It led to a revolution in printing and eventually to the mass marketing of newspapers and magazines and books which combined photographs with… …
42Cine sonoro — Este artículo o sección necesita una revisión de ortografía y gramática. Puedes colaborar editándolo (lee aquí sugerencias para mejorar tu ortografía). Cuando se haya corregido, borra este aviso por favor …
43Alexander Graham Bell — Infobox Person name = Alexander Graham Bell image size = 225px caption = Portrait of Alexander Graham Bell c. 1910 birth date = 3 March 1847 birth place = Edinburgh, Scotland, UK death date = death date and age|1922|8|2|1847|3|3|df=y death place …
44List of fictional scientists and engineers — In addition to the archetypical mad scientist, western culture depicts scientists and engineers who go above and beyond the regular demands of their professions to use their skills and knowledge for the betterment of others, often at great… …
45Professor — For other uses, see Professor (disambiguation). A professor is a scholarly teacher; the precise meaning of the term varies by country. Literally, professor derives from Latin as a person who professes being usually an expert in arts or sciences;… …
46Historia de la electricidad — Un fragmento de ámbar como el que pudo utilizar Tales de Mileto en su experimentación del efecto triboeléctrico. El nombre en griego de est …
47printing — /prin ting/, n. 1. the art, process, or business of producing books, newspapers, etc., by impression from movable types, plates, etc. 2. the act of a person or thing that prints. 3. words, symbols, etc., in printed form. 4. printed material. 5.… …
48Buckminster Fuller — Infobox Person name = R. Buckminster Fuller image size = 200px caption = R. Buckminster Fuller c.1917 birth date = birth date|1895|07|12 birth place = Milton, Massachusetts death date = death date and age|1983|7|1|1895|07|12|mf=y death place =… …
49Charles Lindbergh — This article is about the 20th Century aviator. For other uses, see Charles Lindbergh (disambiguation). Charles Lindbergh Charles Lindbergh, photo by Harris Ewing Born February 4, 1902(1902 …
50List of Austrians — The following list is a selection of famous Austrians. For full lists of all famous Austrians please view the sublists. Arts/culture*Pauline de Metternich, patron of music and cultureActors/Actresses*Leon Askin, actor *Klaus Maria Brandauer,… …
