Final answer:
Francis Crick was from England. He is best known for his collaboration with James Watson in discovering the double-helical structure of DNA.
Step-by-step explanation:
Francis Crick was from England. He was born in Northampton, England and later moved to La Jolla, California, USA. He is best known for his collaboration with James Watson in discovering the double-helical structure of DNA, which was a major breakthrough in the field of biology.