Landell de Moura
Brazilian priest and radio pioneer (1861-1928) · Brazil · On the map · Scientists · Died at 67
Father Roberto Landell de Moura, commonly known as Roberto Landell, was a Brazilian Roman Catholic priest and inventor. He is best known for his attempts in the 1880s to develop long-distance audio transmissions device that combined an improved megaphone device and a photophone.
Landell de Moura is read about 53 times a day, in 6 languages.
A typical day, 30 days to 1 October 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 67 days, one point a day.
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About this person
Landell received patents in Brazil and the United States during the first decade of the 1900s in which he also included designs that he claimed could transmit voice using radio waves.
