The Harvey process of making armor consists in taking an all-steel plate and carbonizing the face.
"Scientific American Supplement, No. 803, May 23, 1891" by Various
Harvey was followed to the grave by a procession of white-smocked navvies.
"Showell's Dictionary of Birmingham" by Thomas T. Harman and Walter Showell
Harvey's Process of Annealing Armor Plate.
"The Progress of Invention in the Nineteenth Century." by Edward W. Byrn
We have for example the Callan-Giddings-Harvey-Strominger (CGHS) model , which has been used to describe backreaction effects in the black hole evaporation process and the Jackiw-Teitelboim theory (JT) [6,7] that was historically the ﬁrst 2D dilaton gravity theory.
Trace anomaly and Hawking effect in generic 2D dilaton gravity theories