The phrase "although he was primarily" is correct and usable in written English.
It can be used to introduce a contrast or exception regarding someone's main role or characteristic.
Example: "Although he was primarily a musician, he also had a passion for painting."
Alternatives: "even though he was mainly" or "despite being primarily".
Bruno Bettelheim could be added to this list, although he was primarily a psychologist and not a writer.
Although he was primarily a starter in Japan, Takahashi worked as a closer in 2006 and earned 15 saves.
Although he was primarily known as a sculptor, Muñoz also wrote a number of radio plays, some of which will be performed as part of the Tate exhibition.
Although he was primarily attracted to the conservative painters Gentile da Fabriano and Fra Angelico, whose medievalizing styles paralleled his own, Rogier was also acquainted with more progressive trends.
Although he is primarily a microeconomist, Murphy has published articles on a wide range of subjects, including income inequality, the value of medical research, economic growth, and unemployment.
And although he is primarily an attacking player, Pedro's team-first mentality and impressive levels of fitness ensure he can always be relied upon to carry out his defensive duties with utter diligence.
Although he is primarily remembered as a defensive midfielder, Edwards is said to have been able to operate in any outfield position on the field of play.
Although he is primarily recognised as a religious poet, his poetry includes various other themes, such as his theories on nature and his promotion of English nationalism.
Although he's primarily based in New York, he's been spending ample time on the West Coast working on "Tyler's Suite," a choral song cycle which debuted March 25 in San Francisco and is dedicated to Tyler Clementi, the 18-year-old Rutgers University student who took his own life in 2010.
The case against Ms. Waters hinged largely on a series of e-mails between Mr. Moore and OneUnited, which may suggest that Ms. Waters's office continued to lobby on behalf of the bank, although Mr. Moore has argued that he was primarily on the receiving end of the messages.
In his lifetime, he was best known as a poet, although by the late twentieth-century he was primarily known as a designer of wallpapers and fabrics.
