Tubal Claude Ryan (January 3, 1898 – September 11, 1982) was an American aviator born in Parsons, Kansas.

Ryan began his flying career in 1917 when he enrolled in the American School of Aviation in Venice, California.

His flying service operated in San Diego using a Curtiss JN-4 Jenny for joy-rides, flight instruction and charter trips.

In March 1925, Ryan Airlines, Inc. started flying passengers on round trip flights between San Diego and Los Angeles.

[4] Working with Hawley Bowlus, Ryan converted six government surplus Standard J-1 biplanes into Ryan-Standards.

Ryan and Mahoney bought the Douglas Cloudster, which Bowlus modified to carry 10 passengers in comfort.

Ryan And Bowlus completed their own plans and construction, while Jack Northrop, employed by Donald Douglas, worked weekends redesigning key aspects of the M-1.

Ryan Airport at Dutch Flats, also offered charter flights and other flying services.

[3]: 208–210 Later, during World War II, Ryan developed the FR-1 Fireball mixed jet/piston power carrier-based fighter of which 66 were delivered to the US Navy.

Despite there being no connection beyond T. Claude Ryan having founded both, Teledyne-Ryan continues to be claimed as the successor of the company that built the Spirit of St. Louis.