Diaphragm (optics) 1889 "Dictionary of Photography" (see figure), but disappeared after Ernst Abbe's theory of stops unified these concepts. According to Rudolf Kingslake, the inventor of the iris diaphragm is unknown. Others credit Joseph Nicéphore Niépce for this device, around 1820. Mr. J. H. Brown, a member of the Royal Microscopical Society, appears to have invented a popular improved iris diaphragm by 1867. Kingslake has more definite histories for some other diaphragm types, such as M. Noton's adjustable "cat eye" diaphragm of two sliding squares in 1856, and the Waterhouse stops of John Waterhouse in 1858. Diaphragm (optics) In optics, a diaphragm
Love Has a Name with reverent passion." On August 8, 2018, the Gospel Music Association announced the nominees of the 49th Annual GMA Dove Awards, with "Love Has a Name" in the running for the Worship Album of the Year award. On October 16, 2018, "Love Has a Name" lost the Worship Album of the Year award to "Reckless Love" by Cory Asbury at the 49th Annual GMA Dove Awards ceremony held at Lipscomb University's Allen Arena in Nashville, Tennessee. Love Has a Name Love Has a Name is the tenth live album and twelfth album overall by American worship group Jesus Culture. The