They Made Our World Episodes Available now
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John Logie Baird
A wireless with pictures.
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Henry Ford
The car maker who made motors for the masses and introduced the factory assembly line
![](https://ichef.bbci.co.uk/images/ic/320x180/p033gwwk.jpg)
Wright Brothers
Wilbur and Orville Wright and their contribution to the history of aviation
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Edison
How Edison's methods of research led to the light bulb and the record player
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Mendel
How Mendel's study of peas led to him becoming one of the founders of modern biology
![](https://ichef.bbci.co.uk/images/ic/320x180/p033gwwk.jpg)
Jenner
Jenner and the folk belief that led to the eradication of smallpox
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Marconi
Sending messages without wires, Guglielmo Marconi's role in the communications revolution
![](https://ichef.bbci.co.uk/images/ic/320x180/p033gwwk.jpg)
Alexander Graham Bell
How Bell's interest in sound and work in telegraphy led to the invention of telephones