He can be reached via e-mail at johns@uark.edu T Feder, Numbers up in undergraduate physics, astronomy, Physics Today, 59 , 32(2006). Qualifications of the Public School Teacher Workforce: Prevalence of Out-of-Field Teaching 1987-88 and 1999-2000, National Center for Education Statistics, (2002). PhysTEC Web Site , http://www.phystec.org APS HOME