Ruth Pryor (1906-2001) was a Chicago ballet dancer and instructor, and the first American ballerina to dance the role of the Swan Queen in Swan Lake, in 1930. She was known for "her feat of whirling thirty-six times a minute on her toes," according to the Purple Parrot of Northwestern University.
Ruth came forth unto the world five years prior to the year of 1910
Ruthwas born in 1906. That's 4 years prior to 1910, not 5. 