The issue focused on Ms Darby's academic credentials and scientific integrity. She worked at Imperial College London from 1996 until 2004. In 2005 she returned to academia but dropped out after failing to secure funding for her research. The researcher claimed that Mr Ridpath offered him £300,000 as part of his bonus package in exchange for resigning his position at Imperial College. But academics believe this offer was withdrawn before it could be implemented. Some scientists suggest they should have received pay rises rather than compensation from Professor Ridpath.