Crossword puzzle clue "wrote on a staff often"

Wrote on a staff, often

Graphic novelist Bechdel who wrote "Fun Home" and came up with the Bechdel test and Elvis Costello wrote a song about her!

Best-selling author who wrote "I did not write it. God wrote it. I merely did his dictation"

They often have staff positions

New member of a hospital staff, often

Staff-meeting prop, often

"I would venture to guess that __, who wrote so many poems without signing them, was often a woman": Woolf

To whom Einstein wrote, "Not often in life has a human being caused me such joy by his mere presence as you did"