Oldest Established Business in Belleville cont'd. Photo taken at Geen 's Pharmacy (1971) (L to R) Steven Casselman; Lyle Twiddy; the late Percival Geen; and present owner Alwyn Geen. cy, is being moved upstairs, and the new plans call for a seating area for customers waiting for prescriptions to be filled. The four pharmacists, Alwyn Geen, Lyle Twiddy, Steven Casselman and Barry Groom are kept too busy for much personal contant with the customers now, but efficient service is maintained, prices are reasonable, a cosmetician is always on hand, and all drug store needs are there in one central location. More than 20 full time persons are employed as cashiers, office and stock workers, and an additional part time staff relieves in the evenings and on weekends. Alwyn Geen has a son at university and three daughters at home. But - a fourth generation Geen pharmacist? No definite plans for it yet; Mr. Geen says that he would like to know about that, too.