Did you know that in 1986 physicist Kenneth Dunkley created 3-D glasses and technology we use to view films today. #kennethdunkley #blackhistorymonth #blackexcellence #3dview #applevisionpro #3dglasses #lh4pc #americanhistory https://t.co/oDJa5eRMAX
Support @lh4pc for #GivingTuesday