Einstein mural, location unknown, 26 June 2016. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3296214/free-photo-image-graffiti-mural-modern-artFree Image from public domain licenseAlbert Einstein portrait drawing sketch. AI generated Image by rawpixel. https://www.rawpixel.com/image/13131750/albert-einstein-portrait-drawing-sketch-generated-image-rawpixelView licenseManuscript Illumination with the Martyrdom of Saint Stephen in an Initial E, from a Gradual https://www.rawpixel.com/image/9087669/image-einstein-medieval-letterFree Image from public domain license