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George F. Andreasen (February 16, 1934 – August 11, 1989), born in Fremont, Nebraska, was an American orthodontist and inventor. Andreasen, most noted for his invention and patent of the Nitinol Wire, also known as Memory Wire or shape memory alloy , began his experimentation with the nickel - titanium (NiTi) alloys as early as 1969.
The average household size was 3.20 and the average family size was 3.39. The age distribution was 28.9% under the age of 18, 6.5% from 18 to 24, 25.2% from 25 to 44, 29.7% from 45 to 64, and 9.7% 65 or older. The median age was 40 years. For every 100 females, there were 96.2 males. For every 100 females age 18 and over, there were 92.7 males.
PA 332 was extended from Ivyland east to end at PA 113 (State Street) in Newtown in 1937, with the entire route paved by 1940. PA 332 entered Newtown from the west on Richboro Road. [7] [8] In 1943, PA 332 within Warminster Township was widened as part of a military access road to Naval Air Development Center, Johnsville, costing $93,789. [9] [10]
Pennsylvania Route 181 (PA 181) is a 9-mile-long (14 km) north–south state route in York County in south central Pennsylvania.Its southern terminus is at Interstate 83 Business (I-83 Bus.) and U.S. Route 30 (US 30) in North York.
Edward Hartley Angle (June 1, 1855 – August 11, 1930) was an American dentist, widely regarded as "the father of American orthodontics". [1] He was trained as a dentist, but made orthodontics his speciality and dedicated his life to standardizing the teaching and practice of orthodontics.
The Plymouth District Court unsealed 299 pages of records that reveal 11 search warrants issued in January 2023 and kept confidential. Read On The Fox News App
Charles Henry Tweed (June 24, 1895 – January 11, 1970) was an American orthodontist known for many of his contributions to the field of orthodontics. He was a founder of the Charles H. Tweed Foundation for Orthodontic Research. Tweed a student of Edward Angle in Pasadena, California and a classmate of Raymond Begg.
Doc Bushong, DDS, University of Pennsylvania School of Dental Medicine, Class of 1882, was one of the first to matriculate in 1878 in the brand-new Department of Dentistry, and was first University of Pennsylvania graduate from any school at Penn to play in Major League baseball [6] and since he played professional baseball during his time at ...