Viktor Suvorov
Grigorenko was one of the first who questioned the official Soviet version of World War II history. He pointed out that just prior to the German attack on June 22, 1941, vast Soviet troops were concentrated in the area west of Białystok, deep in occupied Poland, getting ready for a surprise offensive, which made them vulnerable to be encircled in case of surprise German attack. His ideas were later advanced by Viktor Suvorov.