In the classical world, both geometry and astronomy were considered to be part of the Quadrivium, a subset of the seven liberal arts considered essential for a free citizen to master.his played a key role in the emergence of infinitesimal calculus in the 17th century. Furthermore, the theory of perspective showed that there is more to geometry than just the metric properties of figures: perspective is the origin of projective geometry.
Dual Survival star Grady Powell, pictured in his cast photo, is a former U.S. Army Green Beret who was selected for the Special Forces Operators when he was 21 years old. Grady Powell is one half of what the Discovery Channel has dubbed âThe New Generation.
Grady Wilkins, musical director of the Whispers. â¦. (December 20, 2013) We are sorry to report some bad news to SoulTrackers. Grady Wilkins, the music director for the legendary group The Whispers, has died after a long battle with cancer.Earlier this Fall, the group and their fans had rallied around Grady, raising money for his treatment.he Whispers Facebook page included the following note from the group:  Our dearly beloved music director Grady Wilkins passed on today. He fought a good fight and may he rest in peace.