Eranos: An Alternative Intellectual History of the Twentieth Century
Hans Thomas Hakl
page 257, an academic Marxist, Hans Heinz Holz, in 1997, talked about Eranos as "Pseudo-Gnosis", and "a late bourgeois flight from the world".
This is the usual Marxist critique of religion and esoteric groups, and here it gets to how such people often were supporting the Nazi Party.
So Hakl sets about to open all of this up, drawing upon lots and lots of sources.
Erik Hornung
Wouter Hanegraaf
Hans Jonas was a student of Martin Heiddeger. Up until recently he has gone unchallenged. Ioan Culianu has written about Jonas.
Peter Koslowski
Sees Chrisitan Gnosis as involving the notion of co-responsibility for creation.
Robert Ellwood
Michael Allen William, Rethinking Gnosticism
Karen L. King, was not such thing as Gnosticism
Barbara Aland
Christopher Markschies