Passage: In 1928, Christie left England for Istanbul and subsequently for Baghdad on the Orient Express.  Late in this trip, in 1930, she met a young archaeologist 13 years her junior, Max Mallowan, whom she married in September 1930. Their marriage was happy and lasted until Christie's death in 1976. In a 1977 interview, Mallowan recounted his first meeting with Christie, when he took her and a group of tourists on a tour of his expedition site in Iraq.

Question: Who did Christie marry in 1930?
Max Mallowan