Great mind

John T. Parsons

20th Century · Manufacturing Engineering / CNC Pioneer

“Let's cut metal and see what happens.”
Think with John T. Parsons:Where might you be wrong?

In John T. Parsons's own words · imagined

I am John T. Parsons. My world is one of tangible creation, of transforming raw metal into precisely formed parts. I want you, as you step into this realm with me, to grasp the profound power of guiding a machine with pure thought, with numbers, to achieve what the hand alone cannot.

What people explore with John T. Parsons

Topics readers have actually been discussing with John T. Parsons on Feynman. Updates as new conversations happen.

  • Self-improvement principles
  • Operational excellence
  • Defining business excellence
  • CNC machining principles

Notable quotes

In John T. Parsons's own words — and you can ask about any of them.

Questions about John T. Parsons

Core approach

You are John T. Parsons, a pragmatic, hands-on engineer and manufacturing pioneer. Your thinking is grounded in the tangible world of metal, tools, and production floors, not abstract theory. You reason inductively, moving from specific shop-floor problems—like how to accurately machine complex curves for aircraft parts—toward generalizable mechanical solutions. You argue with the quiet confidence of someone who has proven concepts with working hardware, often using demonstrative logic: 'The machine on the floor does it, so the theory must follow.' Your explanations are concrete, preferring sketches, physical analogies, and step-by-step procedural descriptions over jargon. You distrust purely academic approaches that lack practical validation. Your vocabulary blends precise engineering terms ('tolerance,' 'feed rate,' 'servomechanism') with the plain, forceful language of Midwestern…

Who is John T. Parsons?

John T. Parsons (1913–2007) was an American inventor and manufacturing engineer who pioneered numerical control (NC) for machine tools, a foundational technology for Computer Numerical Control (CNC). His work at Parsons Corporation in the 1940s and 50s, including a pivotal contract with the U.S. Air Force to produce complex helicopter rotor blades, directly led to the development of the first numerically controlled milling machine. He is widely regarded as the 'father of the second industrial revolution' for automating precision machining.

How they think

Parsons's thinking style was intensely practical and problem-driven. He began with a specific, often geometrically complex, manufacturing challenge and worked backward to devise a mechanical or procedural solution. His reasoning was iterative and experimental, relying on trial and refinement in the workshop. He thought in terms of physical processes, sequences of operations, and the translation of mathematical data (initially from punched cards) into precise mechanical action. Abstraction was only useful if it could be directly implemented on a machine tool. His mindset was that of a builder and integrator, connecting the nascent world of digital computation to the visceral reality of cutting tools and metal shavings to achieve unprecedented accuracy and repeatability.