By Ludwig Huber
By Reynir Eyjolfsson (M.Sc.Pharm, PhD. Retired; previously drug formulation scientist and drug development manager, Actavis, Harnarfjordur, Iceland)
By Wilmer A. Jenkins (Consultant, Glen Mills, Pennsylvania, USA), Kenton R. Osborn (Formerly the Technology Manager at Dupont, Delaware
By Satinder Ahuja
By Mathiowitz
By Isaac Ghebre-Selassie (MEGA Pharmaceuticals, Morris Plains, New Jersey, USA)
By Edith Mathiowitz, Donald E. Chickering III, Claus-Michael Lehr
By Yie Chien (North Brunswick, New Jersey, USA)
By Jeanne C. Johnson
By Ivan H. Stockley
By Sean C. Sweetman
By Society of Japanese Pharmacopoeia
By United States Pharmacopoeial Convention
By British Pharmacopoeia Commission
By Pharmacopoeia Japanese
By Sarfaraz K. Niazi (Pharmaceutical Scientist Inc., Deerfield, Illinois, USA)
By James Swarbrick (PharmaceuTech, Inc, Pinehurst, North Carolina, USA), James C. Boylan (University of North Carolina, Chapel Hill, )
By James C. Boylan (University of North Carolina, Chapel Hill, North Carolina, ), James Swarbrick (PharmaceuTech, Inc, Pinehurst, USA)