Let's make this birthday one to remember.

48 years old (Born on October 11, 1976)

Happy Birthday, Sal Khan! From hedge fund wizardry to becoming the world's favorite online teacher—your journey proves that calculus can indeed be cooler than Wall Street. Thanks for making algebra less scary and history more binge-worthy; you've single-handedly saved countless students (and parents!) from homework meltdowns.

Your recent successes continue inspiring millions worldwide: expanding your academy's reach, innovating education technology, and reminding us all that learning never goes out of style. May this birthday bring you as much joy as solving a tricky math problem—or better yet—a day without any technical glitches!

Here's wishing our favorite educator another year filled with laughter, inspiration—and zero buffering videos!