Read What do authority and curiosity sound like on the radio? NPR has been expanding that palette from its founding by Jason Loviglio (Nieman Lab)
From nasal New York accents to vocal fry, NPR's anchors and reporters have long inflamed debates about whose voices should represent the nation — or just be heard by it.
WNYC Studios’ On The Media recently had a piece on the history, science, and engineering behind How Radio Makes Female Voices Sound “Shrill”.

This piece on NPR is a great example of how we’re still dealing with these engineering and social problems nearly a century on.

It has taken great minds to discover simple things

Sir D’Arcy Wentworth Thompson CB FRS FRSE (May 2, 1860 – June 21, 1948), a Scottish biologist, mathematician and classics scholar
in On Growth and Form, 1917