“Madaus found that the sap of the Schweigrohr (caladium seguinum) when taken by mouth or given as injection to male but also to female animals, after a certain time produces permanent sterility. The illustrations accompanying the scientific article are convincing.
If my ideas meet your approval the following course should be taken:
1. Dr. Madaus must not publish any more such articles. (The enemy listens!)
2. Multiplying the plant (easily cultivated in greenhouses!)
3. Immediate research on human beings (criminals!) in order to determine the dose and length of the treatment.
4. Quick research of the constitutional formula of the effective chemical substance in order to
5. Produce it synthetically if possible.
“As German physician and Chief Physician of the Reserves of the German Wehrmacht, retired (d.R.a.D.), I undertake to keep secret the purpose as suggested by me in this letter.
“Heil Hitler!
[Signed] “Dr. Pokorny