3 lives in this collection worked in geomagnetism, from 1544 to today. Each has a full course on their life and the mathematics and physics they made.
Elizabethan physician whose De Magnete (1600) showed that the Earth is a great magnet and first distinguished electrical from magnetic attraction.
magnetism, electricity, geomagnetism
Naturalist and physicist whose measurements in the Americas and worldwide magnetic network founded geomagnetism, isotherm climatology and plant geography.
geomagnetism, climatology, plant geography
German physicist who with Gauss founded absolute electromagnetic measurement and an early telegraph, proposed the first unified force law for moving charges, and with Kohlrausch measured the ratio of units that pointed to the speed of light.
electromagnetism, geomagnetism, metrology