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"This equipment belonged to Arthur Light. Wells fired him two years ago."
"Because he was a psycho.
Caitlin Snow and Cisco Ramon to Felicity Smoak on Arthur Light[src]

Arthur Light is a former scientist of S.T.A.R. Labs.


During his time at S.T.A.R. Labs, Arthur built a weapon that produced energy blasts. However, he was eventually fired by Dr. Harrison Wells in 2012 due to his apparent insanity.[1]


Former equipment[]

  • Unnamed energy weapon: At some point before he was fired by Wells, Light created what appeared to be a prototype energy weapon of some kind; this was used by Cisco and Caitlin after Deathstroke attacked them.



Season 2[]

Behind the scenes[]

  • In the DC comics, Arthur Light is the supervillain known as Doctor Light. Doctor Light was a key figure in the seminal Identity Crisis storyline.