Check out Jonathan Rosenberg (mathematician)'s current and previous haircuts:
Jonathan Rosenberg (mathematician) has had many different hairstyles lately. He became famous as a great mathematician and university teacher. However, the American mathematician is specially known for his exceptional appearances and his adorable personality. Rumors and gossip about the 73-year old's hairstyle are persistently a focus of attention of celebrity magazines and tabloids. Check out Jonathan Rosenberg (mathematician)'s former looks right here:
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