The Harrison–Meldola Memorial Prizes are annual prizes awarded by Royal Society of Chemistry to chemists in Britain who are 34 years of age or below. The prize is given to scientist who demonstrate
the most meritorious and promising original investigations in chemistry and published results of those investigations. There are 3 prizes given every year, each winning £5000 and a medal. Candidates are not permitted to nominate themselves.
The Edward Harrison Memorial Prize commemorated the work of Edward Harrison who was credited with producing the first serviceable gas mask. The last winner of the prize was Katherine Holt of University College London.