Mt. Diablo High School Alumni
Concord, California (CA)
John Hartmann
Mt. Diablo High School
Class of 1973
→ Join 2517 Alumni from Mt. Diablo High School that have already claimed their alumni profiles.
→ There are 77 classes, starting with the class of 1930 all the way up to class of 2025.
JOHN'S PROFILE
| First Name | John |
| Last Name | Hartmann |
| Graduation Year | Class of 1973 |
| Gender | Male |
| City | N/A |
| State/Province | CA |
| Country | United States |
| Occupation | Sr. Project Manager, ACCO Engineered Systems |
| Married | No |
Class of 1973 Alumni
→ Reunite with 47 class of 1973 alumni that have joined.
Marilyn Mize
Class of 1966
Melissa Franks
Class of 1998
Christine Cook
Class of 2000
Robert King
Class of 2015
Ben Gresham
Class of 1990
Shelly Sack
Class of 1963
Michael Clark
Class of 1967
Susan Davey
Class of 1964
Earl (corey) Johnson
Class of 1987
Tom Birse
Class of 1965
Peni Poteet
Class of 1962
Sonja Carlson
Class of 1958
Roshane Harris
Class of 1989
Bob Valdez
Class of 1965
Fonna Critchfield
Class of 1970
John Cifra
Class of 1971
Daniel Gonzalez
Class of 1995
Donald Van Guilder
Class of 1964
Recent Class of 1973 Reunions
Plan a Class of 1973 Reunion for Free
CLASS OF 1972 MT. DIABLO HIGH SCHOOL REUNION
Invited Classes: All Classes
Date: Sep 09, 2023
Description: CLASS OF 1972 MT. DIABLO HIGH SCHOOL REUNION JOIN US TO CELEBRATE 50+ years! SATURDAY SEPTEMBER ...(read more)
5th Annual All Alumni Picnic Sponsered by Class of 1964
Invited Classes: All Classes
Date: Sep 21, 2014
Description: Asking $10.00 donation to offset cost of park Bring your own lunch and drinks. We have had lots of fun in past years w...(read more)
4th Annual Class Picnic sponsored by Class of 1964
Invited Classes: All Classes
Date: Sep 21, 2013
Description: Sponsored by the class of '64 we are inviting all classes to join us. This is our 4th annual picnic and we have had suc...(read more)
Alumni reuion picnic
Invited Classes: All Classes
Date: Sep 22, 2012
Description: 3 annual class picnic (Class of '64) ! This is our 3rd annyual "Class of '64 picnic leading up to our 50th Reunion...(read more)
Class of 1973. 50th Reunion
Invited Classes: 1973
Description: Looking for a venue , and suggestions?