Billionaire Bill Ackman donates £300m to brain research centre after daughter suffers haemorrhage Pharma American billionaire Bill Ackman will donate $400m to brain research after his daughter suffered a haemorrhage that left her in a coma. The investor, whose Perishing Square hedge fund is one of the most famous investment management firms in the world, announced plans to donate the vast sum to a newly established research institute named [...]