https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14021828Edit ImageSaveSaveEditCropCustom TextAn alchemist in his laboratory. Oil painting by or after B. van den Bossche or G. Thomas.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 989 px | 300 dpiLarge JPEG 1532 x 1262 px | 300 dpiFree DownloadAn alchemist in his laboratory. Oil painting by or after B. van den Bossche or G. Thomas.More