Ben, Alex, and Nannan (Ph.D., WUSTL 2007) (picture taken on Oct. 28, 2010).

Nannan's son, Alex Figueroa. (Born on Oct. 28, 2009. Picture taken on Oct. 31, 2009).

Ben, Alex, and Nannan (Ph.D., WUSTL 2007) (picture taken on Oct. 30, 2009).

Nannan's son, Alex Figueroa.

Ben, Alex, and Nannan (Ph.D., WUSTL 2007).