medawar medal medawar medal the british transplant society (bts) awards the medawar medal each year for the best clinical and scientific research presentations by a scientist or doctor. the medawar medal is the most prestigious award that the society can offer, is highly competitive, and cannot be won more than once by a single individual. the award is named after peter medawar, a nobel prize winner in medicine or physiology. two medals are awarded every year. medawar medal