Federico Ardila opens up about his journey as a mathematician, teacher, Colombian transplant, DJ and creator of mathematical spaces.

His name might not be familiar to many, but his songs are sung by millions around the world. Harburg always included a strong social and political component to his work, fighting racism and poverty. A lifelong socialist, Harburg was blacklisted and hounded throughout much of his life.

Illiteracy rates are high in Chicago, and Open Books is working to fill the void.

"As organizations that represent and protect voters, we are deeply concerned that PILF’s threats will scare election administrators into performing ill-conceived or illegal list maintenance programs, in violation of federal law."

The White House has been trying to shut women up this whole time.