Office:
New England Complex Systems Institute
24 Mt Auburn St.
Cambridge, MA 02138
USA
Phone: ++1-617-547-4100
Private address:
36 Woodleigh Rd
Watertown, MA 02472
USA
Tel.: ++1-617-924-1672
Email:
richard@necsi.org; I also still
receive mail to
metzler@physik.uni-wuerzburg.de.