Rose oxide was discovered in 1959 by Casimir F. Seidel and Max Stoll at Firmenich. It is a significant ingredient of Bulgarian rose oil. It is also a contributing factor to the flavour of lychees.
Its discovery was considered so important it warranted a postage stamp in Russia.
Further reading: Rose oxide – the scent of shiny metal roses via 4160 Tuesdays.
sources: From Classical to Modern Chemistry: The Instrumental Revolution by Peter T.J. Morris