James Blyth (1870s) - Scottish electrical engineer and academic, known for inventing one of the world's first wind turbines.
John Logie Baird (1914) - Scottish inventor, the first person to demonstrate a working television system.
David Livingstone (1838) - Scottish physician, Congregationalist, and one of the most popular British heroes of the late 19th-century Victorian era, known for his explorations in Africa.
Henry Faulds (1871) - Scottish physician, missionary, and scientist who is noted for the development of the fingerprinting method for personal identification.
William Thomson, 1st Baron Kelvin (1845) - Scottish mathematician, mathematical physicist and engineer born in Belfast, known for his work on thermodynamics and the development of the Kelvin scale of temperature measurement.
