Possible Clues:

• Gertrude __, author whose works include The Autobiography of Alice B. Toklas
• German mug
• Hofbrauhaus souvenir
• ''To write is to write is to write . . .'' writer
• European involved in rising fools German mug
• Doubles taken from physicist's mug
• Mug in set gets smashed
• Genius dismissing what he'd call a mug
• Big beer mug
• Beatles manager once leaving record for writer