Question: Who developed a useful staining method to identify bacteria?
qaPairs: question: How could the person be described who developed a staining method that could be used to identify bacteria?
answer: Danish bacteriologist
question: Which Danish bacteriologist developed a useful staining method to identify bacteria?|What is the name of the person who developed a staining method to identify bacteria?|Which Danish bacteriologist developed a useful staining method to identify bacteria in two large groups?
answer: Hans Christian Joachim Gram
Hans Christian Gram
question: Who developed a useful staining method to identify acid-fast organisms?
answer: Paul Ehrlich