Alexander should definitely <em>not</em> say everything that he knows about the history of bicycle design, seeing as that would be rude to all other participants, and it is a collaborative discussion. Instead, Alexander can tell everyone that he, in fact, also studied a lot on the history of bicycle design. He should then request that they take turns sharing ideas on what to add to the paper so that no one feels left out and all of their ideas are included.
Don't include this part in your answer: On another note, Daniel could just write the paper himself
