Seward is one of those who tests his patients to find out what is wrong with the person and how to fix it. “Dr. Seward's Journal (Preserved in the Phonograph)” (Bram Stoker) p.65. Dr. Seward keeps his diary in a phonograph which is one of the first recording devices. The science he uses is “chloral, the modern Morpheus – C2 HCI3 O. H2O!” You have to be careful not to let this become a habit” (Bram Stoker) p.109. Jack Seward could just take the drug if he was having trouble sleeping, it could help Seward sleep, but the problem is that it could be addictive for him to keep taking it without stopping. The science and technology used in Dr. Jekyll and Mr. Hyde to make them as they are in their history. “I composed the elements, I watched them boil and smoke together” (Robert Louis Stevenson) p.44. Dr. Jekyll takes the elements he needs and begins to make the potion he needs to separate good from evil. “I drank the potion” (Robert Louis Stevenson) p.44. Dr. Jekyll took the potion to see what the effects were, if it worked or not, he wanted to see if it separated the evil side of