Charles

"Dr. Mid-Nite" is a member of the Justice Society of America.

Biography
After the Legends forced Albert Einstein to reveal Mileva Maric as a ghost collaborator, Dr. Mid-Nite and the Justice Society of America intercepted them, wanting to bring them in for questioning.

Behind the scenes

 * In the DC comics, Doctor Mid-Nite is a legacy of superheroes who are all blind physicians with the ability to see in darkness. The original version, Charles McNider, was a member of the Justice Society of America]].