Thun, Matthias: - Matthias Thun achieved a Masters in Beekeeping in 1966 and has kept bees for over fifty years. The son of Maria Thun, the biodynamic pioneer who died in 2012, Matthias is continuing his mother's research into the effects of the moon, planets and stars on biodynamic agricultural methods. Matthias has lectured on beekeeping at international biodynamic conferences and training seminars, and produces the Maria Thun Biodynamic Calendar annually.