Sam and John Fetters are identical twins with autism. But Sam is in college, while John still struggles to form sentences. Their experience may shed light on the disorder's mix of nature and nurture.

Sam and John Fetters are identical twins with autism. But Sam is in college, while John still struggles to form sentences. Their experience may shed light on the disorder's mix of nature and nurture.

Key takeaways Ava Marie and Leah Rose Clements, known as the "most beautiful twins in the world," continue to thrive as models and internet personalities. As of 2025, they live in Orange County ...

These side-by-side photos show identical twins Sam and John Fetters. On the left, the twins on their first day of third grade; on the right, the brothers at home on Martha's Vineyard in March 2024.

These side-by-side photos show identical twins Sam and John Fetters. On the left, the twins on their first day of third grade; on the right, the brothers at home on Martha's Vineyard in March 2024.