Volmer 's group with Victor Bayerl , a physical chemist and Gustav Richter a physicist , was under Alexander Mikailovich Rosen .
Group designed a heavy water production process and facility based on the counterflow of ammonia .
Volmer 's group with Victor Bayerl , a physical chemist and Gustav Richter a physicist , was under Alexander Mikailovich Rosen , and they designed a heavy water production process and facility based on the counterflow of ammonia .