Some amateur chemists have amassed a large collection of elements-Oliver Sacks, for example.
As Elgar was an amateur chemist, the original manuscript of the work is stained with chemicals from his home laboratory.
Whilst the hobby is probably legal in most jurisdictions, the relationship between amateur chemists and law enforcement agencies is often fraught.
German amateur chemists have been raided by the police, despite not being in the possession of illegal chemicals.
Throughout his life he was a keen amateur chemist, sometimes using a laboratory in his back garden.
They're here now - amateur chemists can duplicate the properties of most drugs in labs at home.
He is a talented amateur chemist as well.
Robert Porrett (1783-1868) was an English amateur chemist and antiquary.
He was also an amateur chemist, and co-founded the now-famous perfume company Prince Matchabelli.
He was also an active member of Kotikemia ("Home chemistry"), an on-line forum for amateur chemists.