This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Richard Leach Maddox . en Richard Leach Maddox August May was an English photographer and physician who invented lightweight gelatin negative plates for photography in cs Richard Leach Maddox srpna kvtna byl anglicky fotograf fyzik kter vynalezl lehk such elatinov desky bromostbrn pro fotografick prmysl roce Mokr kolodiov