Joseph Hull
Division of Science and Mathematics
SAM110
Seattle Central Community College
1701 Broadway
Seattle WA 98122
USA

Greg Langkamp
Division of Science and Mathematics
SAM110
Seattle Central Community College
1701 Broadway
Seattle WA 98122
USA

email: greg.langkamp@seattlecolleges.edu
phone: 206-934-3810
website: http://seattlecentral.edu/faculty/glangkamp