Showing Their Metal

Best not to bother Dan Maccallum on Grand Prix day. On March 16, as the cars lined up on the grid in Melbourne, the Sydney solicitor and father of two began his season's viewing in exactly the way he has always done: no one but him in the house, and a large Supreme pizza delivered just before the start of the race. "I was rude to my family in the morning," he says. "I reminded them that they'd promised to go away for a couple of hours in the afternoon." What does he love about F1? Screaming engines are...