Burning 2000 people took about 24 hours in the five stoves. Usually we could manage to cremate only about 1700 to 1800. We were thus always behind in our cremating because as you can see it was much easier to exterminate by gas than to cremate, which took so much more time and labor.

To Leon Goldensohn, April 9, 1946, from "The Nuremberg Interviews" by Leon Goldensohn, Robert Gellately - History