Jeffrey Ryan

Documenting the "Vacher Effect": Reflections on Dr. H. Leonard Vacher, University of South Florida part of NAGT:Our Resources:In the Trenches:Articles
This memorial article in *In the Trenches* reflects on the life and legacy of Dr. H. Leonard Vacher, Professor Emeritus at the University of South Florida, highlighting his contributions to geoscience education, quantitative literacy, and the NAGT community, including his roles as a Neil Miner awardee, JGE columnist, and founding editor of *Numeracy*.