Idea of Einstein Icon
This looks like Einstein's beautiful face. He has a big mustache, two dots representing his eyes, and lines above his eyes indicating his eyebrows. He has very, very crazy hair. He doesn't look happy.
This is a Einstein icon. We've made it in iOS style
, first introduced in iOS version 7 and supported in all later releases up until now (at least iOS 11). This style is based on thin two-pixel lines and is optimized for 50x50 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 13,900 icons, all in the same style and quality.