[1] Beulah was born November 18, 1895 in Sterling, Kansas, the third of five children of Lillie J. Detter and John Allen Armstrong, both Pennsylvania natives.
Her master's thesis was titled, Simple And Complete K-Points in Continuous and in Modular Projective Spaces.
[1] She earned her PhD there in 1921 under George Abram Miller with the dissertation: Mathematical Induction in Group Theory.
She was secretary-treasurer of the Sigma Xi honor society and was a member of Kappa Delta Pi.
She was buried in Fairlawn Cemetery, Hutchinson, Kansas and, in her will, she bequeathed $1,000 to her first alma mater Baker University.