Question: Who was born earlier, Didier Ya Konan or Henry Martyn Taylor?
Sentence (from "Henry Martyn Taylor"): By means of his ingenious and well thought out Braille notation he was enabled to transcribe many advanced scientific and mathematical works, and in 1917, with the assistance of Mr. Emblen, a blind member of the staff of the National Institute for the Blind, he perfected it.
Relevant evidence: No