There are ,i would say,3 alchemists considered to be of major
importance.each are contributed with developing alchemical
frameworks that cemented the foundations of the modern sciences
,philosophy,and spiritualism. Roger bacon (1214-1294) stresed a
greater importance on experimentation rather than reasoning and
authority.his works were of great importance to the countless
number of alchemists throughout the following centuries. Zosimos of
panopolis (300ad.) Is author of the oldest alchemical scripts and
books.his was an era that presented alchemy as an esoteric and
spiritual approach. The spiritual nature of alchemy would be
symbolized as a religious regeneration of the human soul. Robert
boyle ,finaly ,is credited with the transition towards a rational
materialism.known as the father of modern chemistry,he ,using
alchemical methods ,made discoverys that paved the way for the new
elemental science of chemistry.