Oh it gets better (or worse?) there are plenty of color photographs from Dr King's 1963 march and speech. https://www.buzzfeednews.com/article/kennethbachor/rare-color-martin-luther-king-photos

At least this is somewhat more excusable since newspapers were still mostly using B&W. The color photos would have been for the weekly or monthly news magazines which were using color.

You and I were both born closer to WW2 than to today.

At no point in my HS history class did our teacher mention that she was alive and living a few hours away from us.