|Master of Magnetism|
|Citizen of the United States with a criminal record.|
|Nation or Planet of Origin|
|Secret Society of Super-Villains|
|Base of Operations|
|Los Angeles, California|
Electromagnetically altered human with an ability to control the electromagnetic spectrum including light, heat, radiation and the forces of magnetism to attract, repel or levitate anything containing metal and achieve various other effects.
|Various devices to control the forces of magnetism and electromagnetic fields.|
|Green Lantern II|
|Green Lantern Vol. 2|
|Green Lantern Vol. 2 #12 (April, 1962)|
|John Broome & Gil Kane|
Once a benevolent physician, Dr. Neal Emerson utilized the forces of electromagnetism to bring about astonishing cures to illness. When overexposure to electromagnetic energy split his psyche into opposites of good and evil, he was driven obsessively in a quest for greater and greater magnetic power as Dr. Polaris.