We used to do this in the software documentation team I worked with for 9 years: we would discuss something verbally, then the person who'd called the discussion would summarise the conclusions in an email to team members. They could then edit the summary as needed. It really helped further down the line as a communal memory device.
Great people are racehorses, not donkeys. And racehorses tend be skittish. But they win races for you.