Professor Martin "Marty" Stein was a Jewish physicist known for leading the F.I.R.E.S.T.O.R.M. project. He co-wrote a paper on it with Jason Rusch. After the S.T.A.R. Labs particle accelerator exploded he became one half of the transmuted and conjoined meta-human superhero Firestorm alongside Ronnie Raymond and later Jefferson "Jax" Jackson. He was a supporting character in the first two seasons of The Flash and one of the main protagonists of the first three seasons of DC’s Legends of Tomorrow.
In early 2016, Martin Stein was recruited by the rogue time-traveler Rip Hunter to form the Legends, a team of heroic time-travelers. During several missions, he used the aliases "Elon Musk" and "Max Lorenz". In late 2017, during the Nazi invasion from Earth-X, Martin got shot multiple times by the Sturmbannführer and in his dying moments, he severed his connection with Jackson to save him from joining him in his fate.
Description[]
Prof. Stein is the creator of Project F.I.R.E.S.T.O.R.M., who mysteriously vanished the night the particle accelerator exploded. He had actually been affected by the accelerator's dark matter wave merging with the thought-to-be-deceased Ronnie Raymond and his creation, the Firestorm Matrix, becoming the meta-human known as "the Burning Man," with Prof. Stein's mind taking control of Ronnie Raymond's body.
Their powers greatly endangering both their lives due to the unstable Firestorm Matrix, Stein and Ronnie eventually came to accept each other as partners forming the conjoined hero known as Firestorm. After Ronnie's sacrifice to save Central City from the Singularity, Stein was in danger from the Matrix once more, but was saved by a potential replacement for Ronnie in Jefferson "Jax" Jackson.