Australia's Oldest Man Says Eating 'Chicken Brains' Is Secret to Long Life On 5/18/21 at 4:51 PM EDT Dexter Kruger on Monday became the oldest Australian man on record, at a whopping 111 years and 124 days old. To mark the occasion, he shared some of his tips for longevity with the Australian Broadcasting Corp. (ABC News). Hailing from the town of Roma in the Queensland Outback, Kruger is a former veterinary surgeon, poet, author and cattle farmer. "I lived very close to nature, and I ate mostly what I grew in the garden or the orchard or the farm," he told ABC News.