M. Langourov; S. Lazarov; P. Stoev; B. Guéorguiev; C. Deltshev; B. Petrov; S. Andreev; N. Simov; R. Bekchiev; V. Antonova; T. Ljubomirov; I. Dedov; D. Georgiev
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith