an English engineer, entrepreneur, inventor and philanthropist. In 1841, he devised the British Standard Whitworth system, which created an accepted standard for screw threads.

an English manufacturer and business partner of Scottish engineer James Watt.

a German physicist and musician, sometimes labeled as the father of acoustics

an English physicist, astronomer and mathematician.

a French artist and photographer, recognized for his invention of the eponymous daguerreotype process of photography.

one of the first French landscape painters to paint outdoors. Boudin was a marine painter, and expert in the rendering of all that goes upon the sea and along its shores