This is a help page in the Reading section

Engineers, scientists and related professionals have long been the main actors in the drama of technological innovation. Knowing their stories is essential to understanding how and why technology has progressed as it has for the benefit of humanity. First Hand Histories provide a unique insight into the historical progression of technology, as they were told by the engineers and scientists who were there. The list of First Hand Histories on the GHN are grouped by collection and sorted by technical topic.

Looking to contribute First Hand Histories? See the help section on writing First Hand Histories.