The earliest hypothesis concerning the phonetic-phonological roots of reading and writing learning disabilities is usually attributed to Boder in the U.S. literature. Yet by following a trail of references to work in psychology and education conducted some 30 years earlier in the USSR, we find the seeds of this idea already well established in the…

Since the 1980s, educators in adult basic education and special education have speculated that a substantial if unknown percentage of adults have specific learning disabilities (LDs) and have sought to identify and address effectively the needs of these learners. Two rarely intersecting bodies of historical literature on LDs provide the background…