Alan Herbert Vauser Bloom was a British Horticulturist and steam engine enthusiast. In 1926 at the age of 20 he started his own wholesale nursery business at Oakington. Four years later, Blooms Nurseries had become one of the largest English nurseries of its kind. During his life he created over 170 new varieties of hardy perennial plants. These and Alpine plants were his specialities. Bloom wrote 30 books and appeared on radio and television. He was the founder of Bressingham Steam and Gardens.