original_query: What is Sir Derek George Jacobi known for?
query: What is Sir Derek George Jacobi known for?
answer: Sir Derek Jacobi is known for his extensive and acclaimed career in stage, film, and television acting.  He's particularly renowned for his Shakespearean roles, his work with the Royal National Theatre, and his portrayal of Emperor Claudius in *I, Claudius*. He's also received numerous awards, including a Tony Award and Emmy Awards.