Question: Who other than KLM and South African Airways has managed this African airways entity which was founded after the dissolution of West African Airways Corporation?

<P0-S0> West African Airways Corporation, or WAAC for short, was an airline that operated from 1946 to 1958, jointly owned by the governments of Britain's four west African colonies, namely The Gambia, the Gold Coast (now Ghana), Nigeria, and Sierra Leone. <P0-S1>  The carrier was headquartered at the "Airways House" in Ikeja, Nigeria, and operated from its hub in Lagos Airport. <P0-S2>  It was dissolved on none }} , after all the shareholder countries but Nigeria set up their own national airlines following their independence. <P0-S3>  As the sole remaining major stockholder of the airline, the government of Nigeria continued to operate it as WAAC Nigeria, which was eventually renamed Nigeria Airways and became the flag carrier of the country. <SEP> <P1-S0> Nigeria Airways Ltd., more commonly known as "Nigeria Airways", was a Nigerian airline. <P1-S1>  The company was founded in 1958 after the dissolution of West African Airways Corporation (WAAC). <P1-S2>  It held the name "WAAC Nigeria" until 1971, when it was rebranded to the name it had until it ceased operations in 2003. <P1-S3>  The government of Nigeria owned a majority of the airline (51%) until 1961, when it boosted its participation in the company to 100% and made it the country's flag carrier. <P1-S4>  At the time of dissolution, the airline's headquarters were at Airways House in Abuja. <P1-S5>  Operations were concentrated at Murtala Muhammed International Airport and served both domestic and international destinations mainly concentrated in West Africa; the network also had points in Europe, North America and Saudi Arabia. <P1-S6>  The airline was managed by a number of foreign companies, including British Airways, the Dutch company KLM and South African Airways. <SEP> <P2-S0> The South African Airways Museum Society is an aviation museum based at Rand Airport in Germiston, Gauteng, South Africa. <P2-S1>  The museum was founded in 1986 and houses a collection of South African Airways memorabilia such as photos and aircraft scale models. <P2-S2>  The museum also has a collection of static display aircraft including two Boeing 747s donated to them in 2004 and 2006. <P2-S3>  The museum is funded by entrance fees to the museum and by renting out the aircraft interiors for corporate functions. <P2-S4>  The flying aircraft of the museum are known as the South African Historic Flight collection, the aircraft are owned by the South African Airways Museum Society and are leased to the company Skyclass Aviation, who operate them for charter usage. <SEP> <P3-S0> British Airways (BA) is the largest airline in the United Kingdom based on fleet size, or the second largest, behind easyJet, when measured by passengers carried. <P3-S1>  The airline is based in Waterside near its main hub at London Heathrow Airport. <P3-S2>  In January 2011 BA merged with Iberia, creating the International Airlines Group (IAG), a holding company registered in Madrid, Spain. <P3-S3>  IAG is the world's third-largest airline group in terms of annual revenue and the second-largest in Europe. <P3-S4>  It is listed on the London Stock Exchange and in the FTSE 100 Index.