Presidents European Weed Research Council (EWRC 1959-1975)

E K WOODFORD (UK) 1959 to 1960  
Bernhard RADEMACHER (DE) 1960 to 1961  
Robert LONGCHAMP (FR) 1961 to 1964 (HM)
Torstein VIDME (NO) 1964 to 1967 (HM)
Jos M T STRYCKERS (BE) 1967 to 1970 (HM)
J P AMARO (PT) 1970 to 1973  
John D FRYER (UK) 1973 to 1975 (also Chairman EWRS Steering Committee) (HM)