H L Vacher Author

Dr. Ming Xie is a Postdoctoral Researcher in the Navigation College at Dalian Maritime University, China. He received his PhD in 2019 from University of South Florida in the School of Geosciences. 
Dr. Steven Reader is an Associate Professor in the School of Geosciences at the University of South Florida. Dr. Reader’s research and teaching interests are mainly methodological in nature and lie at the interface between GIScience and Data Science, in the emerging field of Spatial Data Science. His  past applied substantive work has been in medical geography/spatial epidemiology, with  particular focus on chronic outcomes (cardiovascular health, maternal and child health).

Dr. H. L. Vacher is a Professor Emeritus in the School of Geosciences at the University of South Florida. His main research interest is quantitative literacy in all contexts, but particularly as it intersects geoscience.  In his 47 years of university teaching at Washington State University and USF, his courses were mainly in physical geology, hydrogeology, geological numeracy, and histories of geology.  He was a founding co-editor (2008) of the open-access journal, Numeracy.