His LeapPad tablets, which helped children read, found their way into tens of millions of homes beginning in 1999.

The young father, worried his struggles with reading would continue as he got older, began working on an innovative prototype that would later become a best-selling toy across the US.

M ike Wood, the trailblazing mind behind LeapFrog Enterprises, has died at the age of 72 through physician-assisted suicide ...