Final answer:
Isa Maud Ilsen was active in the early 20th century and interested in rural health care. She directed the Department of Rural Nursing at the American Red Cross. In 1919, she contributed to combating the influenza pandemic.
Step-by-step explanation:
Isa Maud Ilsen was active in the early 20th century, particularly known for her contributions in the field of nursing between 1900s and 1930s.
Ilsen was deeply interested in improving the health conditions and nursing care of populations in the American South, especially focusing on rural communities and their particular health care challenges.
She served as the director of the Department of Rural Nursing for the American Red Cross, where she implemented programs to expand the accessibility of nursing services to underserved and rural populations.
In 1919, Ilsen played a vital role in combating the influenza pandemic in the South, contributing to public health efforts at a time when the need for efficient nursing care was crucial.