A man of letters, perhaps most known for his reporting on what is known as the Scopes monkey trial, in which a USA teacher was convicted of teaching about evolution. https://www.youtube.com/watch?v=djkK8vUd4UQ
boof (OP) double-posted this 3 years ago, 1 minute later, 2 days after the original post[^][v]#1,199,513
"Die Größe der Wasserstoffionenkonzentration … und die Bezeichnung p H {\displaystyle p_{\mathrm {H} }} {\displaystyle p_{\mathrm {H} }} für den numerischen Wert des Exponent dieser Potenz benütze."