https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13956311Edit ImageSaveSaveEditCropCustom TextAn alchemist in his laboratory. Oil painting by or after Thomas Wijck (Thomas Wyck).Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 940 x 1200 px | 300 dpiLarge JPEG 2454 x 3132 px | 300 dpiFree DownloadAn alchemist in his laboratory. Oil painting by or after Thomas Wijck (Thomas Wyck).More