In 1951, she moved to London. She joined a group of scientific researchers at King's College. Her assignment was to take pictures of DNA. She looked at the structure and function of DNA in the pictures. This job was very difficult because technology was simple at that time. During this job, Franklin worked with a man named Raymond Gosling. He was also trying to photograph the DNA. Franklin also had to work with Maurice Wilkins. The scientists had many arguments, but Franklin kept working. Instead of working with Wilkins, Franklin liked to work with Gosling. She created X-ray pictures that showed that DNA is shaped like a double helix.