James Bayley Butler with the Royal Army Medical Corps, beginning as a lieutenant in 1915 and retiring a major after the war. For his service, he was awarded an MBE. Butler's primary research interest was in applied biology. He carried out research on "Catenaria anguillulae", a parasite of the ova of the liver fluke, from 1922 to 1932. Later on, Butler focused on the control of wood-boring beetles and the fungus that causes dry rot in wood "Serpula lacrymans". On this matter, he became an international expert, and assisted in the development of the company Biotox, which manufactured insecticides and fungicides for use
Peleș Castle and the only persons permitted on the property were maintenance and military personnel. Ceauşescu did not like the castle very much and rarely visited. In the 1980s, some of the timber was infested with "Serpula lacrymans". After the December 1989 Revolution, Peleş and Pelişor Castle were re-established as heritage sites and opened to the public. Today, Foişor Castle serves as a presidential residence. The Economat Building and the Guard's Chambers Building are now hotels and restaurants. Some of the other buildings on the Peleș Estate were converted to tourist villas and some are now "state protocol buildings". In 2006, the