The margo initiative defines mechanisms for interoperation between edge applications, devices, and orchestration software. She appeared in many film, stage, and television productions, including lost horizon (1937), the leopard man (1943), viva zapata! (1952), and i'll cry tomorrow (1955).

After the birth of their son edward albert in 1951, margo devoted more time to her family, which grew to include an adopted daughter, and less to her career, although she performed in nightclub revues with. Margo was best-known, however, for her role as the slum girl miriamne esdras in both stage and screen version of maxwell anderson 's play winterset (1936) and for her poignant performance as the young.