Document status: incomplete. Quartz is a term that includes both well crystallized and compact forms of silica. For the most time the different quartz varieties have been considered as species of their own and have not been systematically grouped together before the 19th century.
Samuel Ullman (born April 13, 1840 in Hechingen, Germany; died March 21, 1924 in Birmingham) was a hardware dealer, a long-time member of the Birmingham Board of Education, a lay leader at Temple Emanu-El, and a writer whose poem, Youth, is celebrated worldwide.
Raymond and Ruth Perelman Donate $225 Million to the University of Pennsylvaniaâs School of Medicine. PHILADELPHIA -â The University of Pennsylvania has received a $225 million gift â- the largest single gift in its history -â from philanthropist Raymond G. Perelman and his wife, Ruth, to benefit Pennâs world-renowned School of Medicine.