This biography of a living personneeds additional citations for verification. Please help by adding reliable sources. Contentious material about living persons that is unsourced or poorly sourced must be removed immediately, especially if potentially libelous or harmful. Find sources: – ···scholar·JSTOR(August 2020) (Learn how and when to remove this template message)
David Hyerle is an author and creator of a thought-organization methodology called "Thinking Maps" that is popular in public schools in the United States.[1]
