I think she is till alive.

"In everything we recognise two principles that determine events: light and darkness, good and evil, creation and destruction – as in electricity we know plus and minus. It is always: either - or."These two principles - the creative and the destructive - also determine our technical means…Everything destructive is of Satanic origin, everything creative is divine… Every technology based upon explosion or combustion has thus to be called Satanic. The coming new age will be an age of a new, positive, divine technology!…" Dr. Schumann (from SS archives).