Janet Welch March 14, 1942 – December 4, 1951 (divorce) Thomas T. Mackie (1895-1955) was a research/public health physician in the United States Army during World War II.

In 1940,[4][5] Mackie was a founding member of and became the director of the American Foundation for Tropical Medicine and has also by this time he had established a base in Puerto Rico.

In 1946 he was appointed as professor of preventive medicine at the Bowman Gray Medical School in Winston Salem, North Carolina.

During his time at Bowman Gray, Mackie was instrumental in persuading the school to establish an Institute of Tropical Medicine in the Dominican Republic.

Mackie’s second marriage ended in divorce in December 1951 and he married his third wife, Helen Holme Warnock 15 days later.

In April of that year he had spent several weeks in hospital recovering from the effects of smoke inhalation while fighting a fire on his land in Bridgeport, Connecticut.