John Logie Baird FRSE was a Scottish engineer, innovator, one of the inventors of the mechanical television, demonstrating the first working television system on 26 January 1926.

The largest cell in the world is an ostrich’s egg. Before fertilization, the entire interior of the egg consists of a single cell, which is approximately 15 cm long and 13 cm wide and weighs up to 2.3 kgs (5 pounds).

Guglielmo Marconi ( known as Marconi),  was an Italian inventor and electrical engineer, known for his pioneering work on long-distance radio transmission, development of Marconi’s law, and a radio telegraph system.