 He was survived by his widow and son.On March 16, 1940, the American College of Dentists presented a plaque to the Army Medical Service Graduate School (now Walter Reed Army Institute of Research) in memory of Army dental officer Major Fernando E. Rodriguez for his pioneer research showing the relationship between the Lactobacillus acidophilus and dental caries.On August 31, 1944, the War Department of the United States issued General Order No.