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In page Margaret Wise Brown:

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In the summer of 1940, Brown began a long-term relationship with Blanche Oelrichs (pen name Michael Strange), poet/playwright, actress, and the former wife of John Barrymore. The relationship, which began as a mentoring one, eventually became romantic and included cohabiting at 10 Gracie Square in New York, beginning in 1943.[6] As a studio, they used Cobble Court, a wooden house later moved to Charles Street. Oelrichs, who was almost 20 years Brown's senior, died in 1950.[citation needed]