[1] Gregory, Park and Marcus Adams established themselves as the "Three Photographers" and based their collective studio at 43 Dover Street in Mayfair.

[2][3] Their studio was initially funded by the Egyptologist George Herbert, 5th Earl of Carnarvon.

[4] She joined the Royal Photographic Society in 1926 and gained her Associate the same year and Fellowship in 1928.

Park and Gregory published several books together including 1935's The Beauty of the Female Form.

[4] The book arose from work they had produced for the first international photographic salon, held in Paris in 1933.