From left to right in the picture:
Prof. A. Doychinov,
Prof. V. Bachvarova,
Dr. V. Petrov,
Prof. K. Todorov
Dr. G. Georgiev
Assoc. Prof. A. Andreev,
Assoc. Prof. Kuzman girov,
Assoc. Prof. Knyazhev,
Assoc. Prof. Beshev,
Assoc. Prof. Zdravko lazarov,
Prof. P. Levicharov