The concept of word blindness initially was proposed by a. Orton, who studied children in the United States who can't read b. Gall,in this research on brain injury and mental impairment c. Hinshelwood,in this studies of congenital word blindness d. Kussmal,as unexplanation for the inability to recognize text

c. Hinshelwood, in his studies of congenital word blindness.

The correct answer is c. Hinshelwood, in his studies of congenital word blindness.