By David Leeson
A: There is a great deal of debate on this issue. Up until the mid-20th century, the accepted answer was ‘one’: and this Whiggish narrative underpinned a number of works that celebrated electrification and the march of progress in light-bulb changing.
Beginning in the 1960s,…
EVERY HISTORY ARTICLE WE’VE HAD TO READ. EVER.