Space and Aeronautical Historian William F. Mellberg wrote this essay for America’s Uncommonsense, the website of Apollo 17 Scientist-Astronaut Dr. Harrison Schmitt.

This external link is to a 3.4MB PDF file on the above website.

Bill Mellberg’s father, Frank, designed the lens system for the highly successful Surveyor television cameras.

In this (circa June) 1966 photo, Frank Mellberg is indicating the Bell & Howell TV lens assembly on a scale model of Surveyor A (i.e. Surveyor 1).

Large, Larger. In memory of Frank W. Mellberg (1920 – 2016).

Photo courtesy William Mellberg.