Alexander Akimov was chief of the night shift, and Leonid Toptunov was the operator responsible for the reactor's operational regimen, including the movement of the control rods.
Alexander Akimov ishte shefi i turn nate dhe Leonid Toptunov ishte përgjegjës për operatorin e regjimit operativ reaktori, duke përfshirë lëvizjen e kamxhik kontrollit.