Complex sentence: Beetham's paintings are in the permanent collection of the National Portrait Gallery, London and Museum of New Zealand Te Papa Tongarewa in Wellington and he was a founder of the New Zealand Academy of Fine Arts in 1882.
Split into simpler sentences: Beetham's paintings are in the permanent collection of the National Portrait Gallery, London and Museum of New Zealand Te Papa Tongarewa in Wellington. He was a founder of the New Zealand Academy of Fine Arts in 1882.