Answer: ossip

AnswerCrossword Clue
OSSIPMr. Gabrilowitsch.
OSSIPWell-known pianist Gabrilowitsch.
OSSIPMark Twain's pianist son-in-law: first name.
OSSIPMr. Gabrilowitsch, pianist.
OSSIPPianist Gabrilowitsch
OSSIPGabrilowitsch
OSSIPRussian pianist ... Gabrilowitsch