Willem Lemmers has been a member of the Tulip Committee of the Royal General Bulb Growers Association (KAVB) for over thirty-five years, the last twenty of which he has served as chairman. In addition, he has been chairman of the Council of Nomenclature Committees of the KAVB and was appointed to the Daffodil and Tulip Committee of the Royal Horticultural Society (RHS) in London as well as to other RHS subcommittees. Mr. Lemmers has judged many international flower shows, including the Chelsea Flower Show. He lives in Lisse, Holland.Emma Sweeney is a literary agent and garden book author. She divides her time between New York City and upstate New York.