in Oxford Dictionary of National Biography
September 2004; p ublished online September 2004 .
Reference Entry. Subjects: Sculpture and Carving; Prints and Printmaking; Science and Mathematics; Instruments and Instrumentation Engineering. 2547 words.
Pingo family (per. c. 1690–1815), clockmakers, engravers, and medallists, was established in London in the 1670s. It is believed that the name Pingo or Pingoe—as it was...
in American National Biography Online
January 1999; p ublished online February 2000 .
Reference Entry. Subjects: Engineering and Technology; Architecture; Sculpture and Carving; Education. 1230 words.
Willard, Solomon (26 June 1783–27 February 1861), sculptor, architect, inventor, and educator, was born in Petersham, Massachusetts, the son of William Willard, a carpenter and joiner, and...