Authors:
  1. Quotes
  2. Authors
  3. W
  4. Walter Isaacson
  5. Did Alexander Graham Bell do any market research before he...

Did Alexander Graham Bell do any market research before he invented the telephone?

Walter Isaacson
Research, Bells, Telephones
Walter Isaacson (2011). “Steve Jobs”, p.170, Simon and Schuster
Did Alexander Graham Bell do any market research before he invented the telephone?