E-mail: gamme001[at-sign]umn[dot]edu (personal)
john[at-sign]gammel[dot]com (business)
Other immediate Gammel family e-mail addresses:
Father-Walter Sr.: e_gammel[at-sign]msn[dot]com (he is also the Gammel genealogy contact)
[note: e-mail addresses have been "munged" to reduce recipient spam]