Question: Do Donald Morton and Tim Keurntjes have the same nationality?
Sentence (from "Donald Morton"): Donald Lee Morton (September 12, 1934 - January 10, 2014) was an American Surgical Oncologist who was best known for developing sentinel lymph node evaluation, a procedure that, by some estimates, saves the U.S. healthcare system nearly $4 billion annually in the treatment of melanoma and breast cancer.
Relevant evidence: Yes