Because the work was consistently top secret, the RAND building was one of the most difficult buildings in America to gain entrance to, according to a Fortune magazine article about the institute.

That includes such well-known properties as Rand at 14 Lafayette Square, the Main Seneca Building at 237 Main and the Main-Court Building at 436 Main, as well as two smaller adjacent office ...

Kolkmeyer paid $3.9 million for the Rand and $4.55 million for Main Court according to County Clerk Records. Long-time downtown advocate Sweet sold his five-building property portfolio to ...