Lazar Khidekel headed the architectural laboratory of GINKhUK (1922-1928).

May 1922

Passed the first and only graduation at the Vitebsk Art and Practical Institute ( Vitebsk People's Art School ). 11 people received graduation diplomas, another 17 students were transferred to higher art educational institutions in Moscow and Petrograd. The graduates of the Institute were T. Beinarovich, Suprematist Ivan Gavris, N. Gusev, Mikhail Veksler, Nina Kogan, Georgy Noskov, Nikolai Suetin, Lazar Khidekel, Ilya Chashnik, Lev Yudin, Solomon Yudovin; -constructivist. An interesting detail: some of the graduates, while still students, were at the same time the heads of the Vitebsk free workshops, then the institute. These are M. Veksler, N. Kogan, Georgy Noskov, Solomon Yudovin, and Ivan Gavris from the autumn of 1921 was even the deputy of Vera Ermolaeva and led the institute during her business trips.

Autumn 1922

By autumn in the staff of the Vitebsk Folk Art School 5 teachers left, a secretary and a minister. Ivan Gavris became acting rector, to whom Vera Ermolaeva handed over the affairs before leaving for Petrograd. At the time of a deep crisis at the Vitebsk Art and Practical Institute, at a general meeting , Yudel Pen was elected vice-rector for academic affairs and a member of the board, and Solomon Yudovin was elected vice-rector for economic affairs. The training workshops were also managed by A. Brazer and E. Minin.

The end of the year

• The workshops were renamed into the State Artistic and Practical Institute.