John
Seidlitz and Bill
Perryman are
the Co-Developers of Perspective-Based Learning TM.
Both John and Bill were classroom teachers who used
simulation, role play, Socratic dialog, as approaches
to encourage students to think at high levels.
John is a nationally certified SIOP® trainer and
is the co-author with Bill of Making The Past Present:
Perspective-Based Learning in Social Studies.
He served as an educational specialist for ESC Region
20 in San Antonio, TX. He taught ESL and social studies
in Floresville, TX where he served as ESL coordinator.
Bill Perryman holds a master's degree in elementary
education from (Southwest) Texas State University
and an administrator/mid-management certification
from The University of Texas at San Antonio. Bill
has taught and supervised students at the elementary,
middle and university levels. Well known for his History
In Person character portrayals, Bill also serves as
an educational consultant.