The next year he helped found the Georgian Memorial Society which was devoted to memorializing victims of the Soviets.

According to the data collected by the Memorial Society, 48 133 Harbinites were repressed, of which 30 992 were shot.

Rituals were constructed to commemorate his death, and in 1931 the Memorial Society succeeded in getting a monument erected near the site of his execution.

In 1988 he was the member of the ofganizing committee of the Memorial Society.

The Fallen Four Memorial Society was founded to honour the slain policemen.

Over 9,000 bodies were discovered after the place was found in 1997 by members of the Memorial Society and a memorial cemetery was established on the site.

On 4 December 2008, the St Petersburg offices of the Memorial Society were raided by the police.

Figes contracted the Memorial Society, a human rights non-profit, to gather several hundred private family archives from homes across Russia.

The office of the Memorial Society was located in Karachi.

Memorial Society record of Hessen's arrest and execution (in Russian)