Question: What was the industry in which a major donor of funds for building the Integratron was influential?  

Context paragraphs:
Integratron: The Integratron is a 38 ft tall cupola structure with a diametre of 55 ft designed by Ufologist and Contactee George Van Tassel.  Tassel claimed the Integratron was capable of rejuvenation, anti-gravity and time travel.  He built the structure in Landers, California (near Joshua Tree), supposedly following instructions provided by visitors from the planet Venus.  The Integratron machine was started in 1957, the structure erected in 1959.  It was financed predominantly by donations, including funds from Howard Hughes.

Indonesia–Japan relations: Indonesia–Japan relations are foreign bilateral relations between Indonesia and Japan.  Both are two Asian nations which share historical, economic, and political ties.  Both nations went through a difficult period in World War II when the then Dutch East Indies was occupied by the Imperial Japanese Army for three-and-a-half years.  Japan is a major trading partner for Indonesia.  Japan is Indonesia's largest export partner and also a major donor of development aid to Indonesia through Japan International Cooperation Agency.  Indonesia is a vital supplier of natural resources such as liquefied natural gas to Japan.  Both countries are members of the G20 and APEC.  Today in Indonesia, there are about 11,000 Japanese expatriates whereas in Japan, there are approximately 24,000 Indonesian nationals working and training.

Henry Martin Tupper: Henry Martin Tupper D.D. (April 11, 1831 – November 12, 1893) was a Baptist minister who founded Shaw University in Raleigh, North Carolina.  Beginning with bible and literacy classes in December 1865, it was the first university established for African Americans following the end of the civil war, and the oldest historically black college and university (HBCU) in the Southern United States, as well as one of the oldest co-educational universities in the country.  When the institute moved into a new building in 1871, it was renamed as Shaw Collegiate Institute in honor of a major donor.  Tupper served as the University's first president from its founding until his death in 1893.

Howard Hughes: Howard Robard Hughes Jr. (December 24, 1905 – April 5, 1976) was an American businessman, investor, pilot, film director, and philanthropist, known during his lifetime as one of the most financially successful individuals in the world.  He first made a name for himself as a film producer, and then became an influential figure in the aviation industry.  Later in life, he became known for his eccentric behavior and reclusive lifestyle—oddities that were caused in part by a worsening obsessive–compulsive disorder (OCD) and chronic pain from a plane crash.

Travelex: Travelex Group is a foreign exchange company founded by Lloyd Dorfman and headquartered in London.  Its main businesses are international payments, bureaux de change and issuing prepaid credit cards for use by travellers.  It is the world's largest foreign exchange bureau and is a major donor and sponsor of the Royal National Theatre.

Wexner Center for the Arts: The Wexner Center for the Arts is The Ohio State University’s "multidisciplinary, international laboratory for the exploration and advancement of contemporary art".  The Wexner Center opened in November 1989, named in honor of the father of Limited Brands founder Leslie Wexner, who was a major donor to the Center.

Rolando Gonzalez-Bunster: Rolando Gonzalez-Bunster (born c. 1947) is a US-based Argentine businessman.  He is the founder, chairman and chief executive officer of InterEnergy Holdings, a Cayman Islands-based energy company active in the Dominican Republic, Panama, Chile and Jamaica.  A college friend of former President Bill Clinton, he is a director of the Clinton Foundation and a major donor to Hillary Clinton's 2016 presidential campaign.

Aspen Community Foundation: Aspen Community Foundation is a community foundation that serves the Roaring Fork and Colorado River Valleys of Western Colorado.  Founded by the Aspen Skiing Company in 1980 to promote philanthropy in the community, the Aspen Foundation, as it was originally named, raised funds by distributing ski passes to donors: a similar tradition that exists to this day.  The introduction of Donor Advised Funds in 2000 further guided the Community Foundation towards fiscal and administrative self-reliance.  Aspen Community Foundation currently holds about 150 different types of funds and annually distributes about $5 million in grants through its donor advised, scholarships, organization and unrestricted grantmaking funds.

James Attwood: James A. Attwood Jr. is an American businessman.  He serves as the managing director of The Carlyle Group and chairman of Nielsen Holdings PLC.  He is a former investment banker at Goldman Sachs and EVP of Verizon Communications.  He was a major donor to Hillary Clinton's 2016 presidential campaign.

Donor recognition wall: With origins in the early 20th century, a donor recognition wall (also known as a donor wall or donor display) is typically a wall-mounted display found in a centralized location of a hospital, university, museum, library, worship facility, or other nonprofit institution.  It consists of a listing of names of persons or companies that contributed funds to a capital campaign or other major fundraising effort of the organization.  The fundamental purposes of a donor recognition wall are to honor the major financial contributors of an organization, and to serve as an incentive for potential donors to contribute.

Supporting paragraphs: Integratron Howard Hughes
Answer: aviation industry