Question: What did John R. Hamilton have featured within the bi-weekly, general interest magazine, Look?

Context paragraphs:
Jacksonville Magazine: Jacksonville Magazine is a monthly magazine published in Jacksonville, Florida.  Founded in 1983, it is a regional lifestyle and general interest magazine covering Northeast Florida.  In addition to the flagship magazine, "Jacksonville Magazine" also publishes several supplemental publications.

Saturday Night (magazine): Saturday Night was a Canadian general interest magazine.  It was founded in Toronto, Ontario in 1887 and was Canada's oldest general interest magazine.  The magazine ceased publication in 2005.

John R. Hamilton (photographer): John R. Hamilton (12 November 1923 – 7 February 1997) was an American photographer.  Hamilton began as a magazine photojournalist, then became known for his photographs of actors on film sets.  The first movie Hamilton worked on was "The Searchers" in 1956 with John Ford and John Wayne.  He worked on 77 films and his photographs appeared in "Life," "Look," "Time" and other newspapers and periodicals.

London Saturday Journal: The London Saturday Journal was a general interest magazine publishing short fiction and nonfiction pieces published in London, England in the Victorian era.  The magazine was published by William Smith.  During its existence the magazine had four volumes the last of which was issued in 1842.

L'actualité: L'actualité is a Canadian French-language news and general interest magazine published in Montreal by Les Éditions Rogers, which is owned by Rogers Communications.  The magazine has over a million readers, according to Canada's Print Measurement Bureau, from its circulation which is mainly subscribers.  Eighty-six percent of its readership are Québécois.

Contenido: Contenido is a Mexican monthly general interest magazine covering articles on the experience of people.  The magazine was founded in 1963.  The headquarters of the magazine, which is published by Editorial Contenido S.A. DE C.V., is in Mexico City.  The magazine is similar to "Reader's Digest".

Look (American magazine): Look was a bi-weekly, general-interest magazine published in Des Moines, Iowa, from 1937 to 1971, with more of an emphasis on photographs than articles.  A large-size magazine of 11 x , it was generally considered a competitor to "Life" magazine, which began publication months earlier and ended in 1972, a few months after "Look" ceased publication.

Portland Monthly: Portland Monthly (also referred to as Portland Monthly Magazine) is a monthly news and general interest magazine which covers events and culture in Portland, Oregon.  The magazine was co-founded in 2003 by siblings Nicole and Scott Vogel.  Nicole had previously worked for Cendant Corporation and Time Warner, and Scott had been a journalist at "The New York Times".  Though the magazine had some trouble with funding in its first year, it grew to a stable circulation of 56,000 and by 2006 was the seventh-largest city magazine in the United States.

The Quirk: The Quirk was a for-charity literary magazine which publishes work from poets and artists across the world.  It printed work from a wide array of writers, including W.D. Snodgrass, Yusef Komunyakaa, Robert Bly, Naomi Shihab Nye, Alberto Rios, Dorianne Laux, Daisy Fried, Diane di Prima, Jim Daniels, Alicia Ostriker, and many others.  The magazine was founded in 2005 by Kaveh Akbar when he was a high school student.  He was also the editor, as a local general interest magazine.  After thirteen issues, "The Quirk" premiered its first literary issue.

Keraleeyam: Jagrathayude Keraleeyam, commonly known as Keraleeyam, is a monthly Malayalam-language general interest magazine published from Thrissur in Kerala state, India.  It started publishing in November 1998 as a monthly newspaper, then changed to a biweekly and later on as a tabloid.  Since 2005 "Keraleeyam" is being published as a monthly magazine.  An initiative from 'Keraleeyam Koottayma', "Keraleeyam" presents basic issues of people such as agriculture, health, environment, human rights, education, gender-equality, dalit and adivasi issues etc.  The magazine has been sympathetic to several people's struggles in Kerala.

Supporting paragraphs: John R. Hamilton (photographer) Look (American magazine)
Answer: his photographs