SCOTTISH actor Brian Cox has shared a moment with the other famous physicist who shares his name. 

The 73-year-old star, who is best known for his role as Logan Roy in hit series Succession, posed for a picture with Professor Brian Cox. 

Professor Cox shared the picture on Twitter and joked: "There is an anomaly in the spacetime continuum."

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Thousands of fans liked and commented on the post.

One joked: "But which one is which?"

Another added: "I was wondering if this was ever going to happen."