For the tennis ball project, Katherine Bertaut is in the second Wharton group.
If you would like to contact her, find her in her dorm room or email her.
She is proud to be the Team Mommy of the Blair Robot Project, her high school's FIRST Robotics Team. As their team logo is the Wrenchman, she designed one in Solidworks to be milled out of pink foam. In can be seen below.