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Edgar Allan Poe

Edgar Allan Poe (/poʊ/; born Edgar Poe; January 19, 1809 – October 7, 1849) was an American writer, editor, and literary critic. Poe is best known for his poetry and short stories, particularly his tales of mystery and the macabre. Widely regarded as a central figure of Romanticism in the United States and American literature as a whole, he was one of the country's earliest practitioners of the short story. Poe is generally considered the inventor of the detective fiction genre and is further credited with contributing to the emerging genre of science fiction. He was the first well-known American writer to try to earn a living through writing alone, resulting in a financially difficult life and career.

Born in Boston, Poe was the second child of two actors. His father abandoned the family in 1810, and his mother died the following year. Thus orphaned, the child was taken in by John and Frances Allan, of Richmond, Virginia. Although they never formally adopted him, Poe was with them well into young adulthood. Tension developed later as John Allan and Edgar repeatedly clashed over debts, including those incurred by gambling, and the cost of secondary education for the young man. Poe attended the University of Virginia for one semester but left due to lack of money. Poe quarreled with Allan over the funds for his education and enlisted in the Army in 1827 under an assumed name. It was at this time his publishing career began, albeit humbly, with an anonymous collection of poems, Tamerlane and Other Poems (1827), credited only to "a Bostonian". With the death of Frances Allan in 1829, Poe and Allan reached a temporary rapprochement. Later failing as an officer's cadet at West Point and declaring a firm wish to be a poet and writer, Poe parted ways with John Allan.

Edgar Allen

Edgar Allen (May 2, 1892 – February 3, 1943) was an American anatomist and physiologist. He is known for the discovery of estrogen and his role in creating the field of endocrinology.

Born on Cañon (Canyon) City, Colorado, Allen was educated at Brown University. After serving in World War I he took a position at Washington University in St. Louis until, in 1923, he was appointed to the chair of anatomy at the University of Missouri in Columbia, Missouri. Ten years later he was appointed to the chair at Yale University.

At Missouri, he began his studies of sex hormones. While it was commonly believed at the time that the female reproductive cycle was controlled by substance in the corpus luteum, Allen sought the answer in the follicles surrounding the ovum, leading to his discovery of estrogen, though it was identified six years later by Adolf Butenandt in 1929.

Allen died of a heart attack in 1943 while on duty with the United States Coast Guard.

References

Mantle (API)

In computing, Mantle is a low-level rendering API targeted at 3D video games.AMD originally developed Mantle in cooperation with DICE, starting in 2013. Mantle was designed as an alternative to Direct3D and OpenGL, primarily for use on personal computers, although Mantle supports the GPUs present in the PlayStation 4 and in the Xbox One. According to AMD, Mantle will make a shift in focus after March 2015 to other areas since the Mantle-derived Vulkan API from the Khronos Group is largely replacing it in the gaming space. While supported in drivers for two years, the Mantle API itself was not made public until March 2015.

Overview

The draw call improvements of Mantle help alleviate cases where the CPU is the bottleneck. The design goals of Mantle are to allow games and applications to utilize the CPUs and GPUs more efficiently, eliminate CPU bottlenecks by reducing API validation overhead and allowing more effective scaling on multiple CPU cores, provide faster draw routines, and allow greater control over the graphics pipeline by eliminating certain aspects of hardware abstraction inherent to both current prevailing graphics APIs OpenGL and Direct3D.