What French child prodigy and later Catholic theologian had an SI unit named for him?
Pascal (unit) The pascal (symbol: Pa) is the SI derived unit of pressure used to quantify internal pressure, stress, Young's modulus and ultimate tensile strength. It is defined as one newton per square metre. It is named after the French polymath Blaise Pascal.
Charles-René Reynaud Charles-René Reynaud (or Reyneau), (1656, Brissac – 24 February 1728, Paris) was a French mathematician.