Professor Corrigan is the author or co-author of more than 160 original publications addressing the cellular and molecular immunopathology of asthma and is recognised internationally as an authority. He founded the Guy's and St. Thomas' Trust adult Allergy and severe adult asthma services. The Allergy service is now recognised internationally as a Centre of Excellence. He also established the curriculum for postgraduate training in Allergy. He has been a Firm Head on the MBBS course for more than 15 years and taught hundreds of King's medical students.