Arthur Ernst van Woerkom is a general adult psychiatrist. Completed his training in natural sciences for medicine at Trinity Hall, and Addenbrookes, Cambridge), and he have a long standing interest in the biochemistry of mood disorders, schizophrenia and psychosis. Many years ago, before he started working in the field of psychiatry, he proposed that major hallucinogens such as LSD and mescaline act in key part by disrupting the fine structure of consciousness by causing the collapse of tubulin and actin related cytoskeletal mechanisms. For a few years he was in an NHS funded research fellowship at the department of psychiatry with Prof Martin Roth. For a time, he was an honory senior clinical lecturer in psychiatry in Birmingham.