Albertus Magnus is often credited with isolating this element around 1250; it's since been used as a poison
The technique was reputed to have been in use in China around the same time 
..... Archimedes is however credited with the invention of the worm gear which not
... [DOC] [TLE] history of the origin of the chemical elements [PAR] Still other elements have been synthesized within the past fifty years via ... smell 
or its inability to combine; and the names of scientists.