I recently put together a co-working space in my rural hometown (post coming) as an alternative from my old work-from-home model.
As part of this exercise in dressing up an ancient tin-ceiling storefront it really drilled home how important effective lighting is in my work space for the entire room (and not just the economical task light).
I was looking for this, but couldnt find it so I crunched it myself. Here’s the history of artificial light in one graph.