Dr. Robert Brackenbury
For more information on anaphylaxis, see the nice essay by Mary C. Tobin M.D. of the Loyola University Medical Education Network, which gives detailed information on mechanisms and treatment of anaphylaxis.
For information on the dangers of peanut allergies, see "The Peanut Allergy - What You Need To Know" prepared by the Allergy, Asthma and Immunology Society of Ontario.