Dave Hamilton’s grandfather invented the ubiquitous coin-operated binocular viewer you see at monuments and viewpoints worldwide, the Tower Optical Binoculars. Dave, an entrepreneur, writer, musician, and founder of The Mac Observer, joins host Glenn Fleishman to tell of days spent with his grandfather and his “Big Fish” stories that turned out entirely true.

This episode is part of the “Grand Inventions” micro-series within The New Disruptors in which I talk to people whose grandparents or great-x-parents invented something that’s still current or in use today. Do you have a grandparent or beyond who fits the bill? Contact me and we’ll set up an interview.

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