Ethan Rhys Helbing (Earth-1)

Ethan Rhys Helbing is a writer on Earth-1.

Biography
At some point (presumably after 1989) Helbing wrote a book for children titled The Runaway Dinosaur.

In the 1990's the book became Barry Allen's childhood favorite while reading with his mother Nora Allen.

After ending up lost in the Speed Force, Barry struggled to return to Earth-1, and ended up contacting the manifestation of the Speed Force in the form of his mother. Barry experienced his old memories of Nora reading The Runaway Dinosaur to him before managing to return to his universe, after being contacted by Iris West.

Behind the scenes

 * Helbing's surname is a reference to frequent writers of The Flash, Aaron and Todd Helbing.
 * Earth-19 currency Helbing is also named after the two writers.