[3] Lambertsen was named as the American Hospital Association's (AHA) first director of the division of nursing in 1958.
[1] Lambertsen was appointed dean of Cornell University-New York Hospital School of Nursing in 1970, and was made their senior associate director four years later.
[1] She held various positions and had influence to a large variety of organizations, where Lambertsen was heavily involved in developing some of nursing's most important advances.
[1] She died on March 30, 1998, in a nursing home in Gladwyne, Pennsylvania, and was preceded in death by her husband Joseph Anderson.
[3] On November 3, a memorial service for Lambertsen was held at the Weill Medical College of Cornell University.
[4] One of Lambertsen's students described her as "a champion of advanced practice who was willing to stand up to the power structure with determination and grit."
She was a recipient of the R. Louise McManus Award from the Nursing Education Alumni Association at Teachers College.