He was the dissertation director of many of the earliest women to earn doctorates in mathematics in the United States, including the first African American woman to do so, Euphemia Haynes.

[3] Landry's dissertation director was Frank Morley, himself also a frequent advisor to women doctoral candidates (see inset quote below).

[4] Landry spent his career at Catholic University of America, where he began as a teaching fellow following his graduation from Harvard.

[5] Lenore Blum wrote, Of 229 pre-1940 [women] Ph.D.s in mathematics, more than a third were advised by eight mathematicians: Charlotte Angas Scott and Anna Pell Wheeler (at Bryn Mawr), and six men—Frank Morley (at Johns Hopkins) and A.

B. Coble (at Johns Hopkins and Illinois), Aubrey Landry (at Catholic University), Virgil Snyder (at Cornell), and Gilbert Ames Bliss and L. E. Dickson (both at Chicago, where together they advised 30 women Ph.D.s).