Send your own groundbreaking equations to a friend with our die-cut Einstein card.

Quotable Notable die-cut greeting card sets feature the portrait of a famous figure on the front and a mini biography on the back.

No time to write? There’s a sticker sheet of quotes and images with friendly greetings like “Happy Birthday!” and “Good Luck!”

Tuck your best wishes into the envelope (included!), add a stamp, and mail.

Now prepare for heartfelt thanks… probably by text.