Who invented moriphine?

Alchemists in the Bysantine era used a poppy-seed elixir similar to morphine. It was rediscovered by Paracelsus (a traveling 'doctor') around 1522. Morphine was discovered as the first active alkaloid extract from the opium poppy plant in 1804 in Germany and was marketed to the public in 1817 by Serturner and Company.