Question: Operation Cherry Blossoms at Night was a 1945 plan developed an army medical officer born in which year ?
Sentence (from "Operation Cherry Blossoms at Night"): Operation Cherry Blossoms at Night was a 1945 plan developed by Shirō Ishii to wage biological warfare upon civilian population centers in Southern California in the United States during the final months of World War II, using pathogens created by members of Ishii's Unit 731.
Relevant evidence: Yes