Frank & Heather are both science trained. Frank holds a PhD in Physics and Heather a PhD in Chemistry. Frank was an Associate Professor at Western Sydney University (WSU). His primary scientific interests are astrophysics and computational simulation. He has lectured extensively on the relationship of Christianity (Revelation) to Science (Natural Philosophy). He has eclectic interests in philosophy, music, history, politics, the arts, and film. He is a keen amateur videographer and video editor. Heather has administered the home, a business and L’Abri for many years. Heather likes reading, sewing and family history. She sings in a local community choir, loves to garden, and does a lot of listening!