Become a t-shirt donor!

Give to the Bulletin and make a difference! Receive a t-shirt as a thank-you gift with a donation of $100 or more*. By wearing our Know the Time t-shirt, you'll be signaling your support of continued dialogue between science and policy leaders and younger audiences all over the world.



If you’d like assistance in making your gift to our 2017 Annual Fund for the Bulletin, or to better understand how your support helps us advance our work, please contact our gift officer at [email protected] or phone 773.834.2308.

*We are offering t-shirts in men's and women's sizes: Extra small, small, medium, large, X large, and XX large. We will contact you regarding size when you make your donation. Out of stock: men's small and men's medium. Act quickly as supplies are limited.