My great, great, great ... (I'm not sure how many greats) Grandfather Valentine Weygandt Weaver was the first superintendent of this furnace and was responsible for the construction of the first two furnaces. Here is a link to an article with more details http://www.macungie.org/the-weaver-family.html.
@enosh I know I've told you this before but check out the article for some more details.