Hard-core medievalists both, the men became lifelong collaborators - on design projects and, from 1890 to their respective deaths in 1896 and 1898, on the Kelmscott Press.

She was a lifelong collaborator with her husband, Dziga Vertov.

At this time he met his future wife and lifelong collaborator, the Russian-born medical trainee Lydia Felicine.

She was his lifelong scientific collaborator.

They had met when she joined the club and were lifelong collaborators in botanical research.

There, he met his lifelong collaborator, Frank J. Padden Jr.

Cunningham was one of the creators of America's mid-century modernism, as, more famously, was his lifelong collaborator, John Cage, who died eleven years ago.

Over the course of his career, Pullman published about 400 scientific papers and 5 books, three with his wife Alberte Pullman, his lifelong collaborator.

In 1890, a former student of his, Adele Marion, became his wife and lifelong collaborator.

Oliver's sister, Philippa ('Pippa'), became her lifelong collaborator on many feminist issues.