Reynolds pipe flow experiment (1883)
Rayleighs inflection point criterion (1887)
Orr (1907) Sommerfeld (1908) viscous eq.
Heisenberg (1924) viscous channel solution
Tollmien (1931) Schlichting (1933) viscous BL solution
Schubauer & Skramstad (1947) experimental TS-wave verification
Klebanoff, Tidstrom & Sargent (1962) 3D breakdown