Clive Tuck, Research Scientist has 45 years experience working at Wrest Park initially at NIAE with field machinery (blackcurrant harvester, mower conditioning and stripper harvesting) and for the past 29 years on measurement of spray droplets. Internationally recognised with many years of experience with most of the laser based equipment used for measuring spray droplets in flight, and has produced many techniques for measuring different aspects of the spray plume.