Margaret Grubb, Date of Birth, Place of Birth, Date of Death
TweetMargaret Grubb
American aviator
Date of Birth: 22-Sep-1907
Place of Birth: Beltsville, Maryland, United States
Date of Death: 17-Nov-1963
Profession: aircraft pilot
Nationality: United States
Zodiac Sign: Virgo 
About Margaret Grubb
- Margaret Louise "Polly" Grubb (September 22, 1907 – November 17, 1963) was the first wife of pulp fiction author and Scientology founder L.
- Ron Hubbard, to whom she was married between 1933 and 1947.
- She was the mother of Hubbard's first son, L.
- Ron Hubbard, Jr.
- and his first daughter, Katherine May "Kay" Hubbard.
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