Gardner Fox
An image from Zack Snyder's Justice League, one of the productions that also features Gardner Fox.

Gardner Fox

May 20, 1911 — Brooklyn, New York City, New York, USA

Gardner Francis Cooper Fox (May 20, 1911 – December 24, 1986) was an American writer known best for creating numerous comic book characters for DC Comics. Comic book historians estimate that he wrote more than 4,000 comics stories, including 1,500 for DC Comics. Fox was also a science fiction author and wrote many novels and short stories.

Fox is known as the co-creator of DC Comics heroes Barbara Gordon, the original Flash, Hawkman, Doctor Fate, Zatanna and the original Sandman, and was the writer who first teamed several of those and other heroes as the Justice Society of America, and later recreated the team as the Justice League of America. Fox introduced the concept of the Multiverse to DC Comics in the 1961 story "Flash of Two Worlds!"

Description above from the Wikipedia article Gardner Fox, licensed under CC-BY-SA, full list of contributors on Wikipedia.

The Flash

The Flash

2014

Zack Snyder's Justice League

Zack Snyder's Justice League

2021

Justice League

Justice League

2017

Wonder Woman 1984

Wonder Woman 1984

2020

The Lego Batman Movie

The Lego Batman Movie

2017

Supergirl

Supergirl

2015

The Flash

The Flash

2023

Titans

Titans

2018