Roy, Lord Google suggests that it may be Henry William Macrosty, president of the RSS. The JRSS obituary for H.W.M. is here: H. W. M. Journal of the Royal Statistical Society, Vol. 104, No. 1 (1941), pp. 85-90 Publisher: Blackwell Publishing for the Royal Statistical Society Stable URL: http://www.jstor.org/stable/2980270 Tim Leonard