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Before the rise of scientific calculators and computers in the 1960s and 70s, cylindrical slide rules were used to complete multiplication, division and other complex mathematical operations. This particular slide rule — known as Thacher’s

The University Portfolio’s first issue lamented the lack of a university glee club, reported anticipation for the upcoming Christmas holiday and exclaimed that Dr. Sewall — ����ֱ��’s first president — would work the eight chemistry students 15 hours a day if he could.

����ֱ�� distinguished professor Marvin Caruthers helped change the course of global human health.

Campus lore says the first bell cracked following a football victory over ����ֱ�� School of Mines in 1926. Others claim it happened during the off-season. 

In Boulder County, there are more than 1,580 Tesla cars registered. The number keeps growing, and many ����ֱ�� Boulder alumni are among the proud owners of the famed electric cars.

Readers comment on the Shakespeare Festival, The Connetion bowling alley and nostalgic memories from their time at ����ֱ��.

����ֱ�� Boulder's largest concert hall began construction in 1909. It was completed in 1922.

����ֱ�� has had over 85 Olympians. It all started with David Bolen.

During the 1918 flu epidemic, the visiting Student Army Training Corps who lived in the Armory were dispersed into “barracks-like tents” so the building could be used as a hospital.

George Norlin is famous for many things around ����ֱ��'s campus, but you might not know just how much he loved to fish.