|Died||January 28, 1967 (aged 89)|
|Occupation||Sled dog breeder, racer|
|Known for||1925 serum run to Nome|
Leonhard "Sepp" Seppala / / is most famous for his part in the 1925 serum run to Nome. He owned famous dogs dogs called Togo and Balto. He was a dog breeder. He bred dogs for sled racing. He was a dog trainer. He was also a musher.  He was important in making the Siberian Husky breed popular.
- Salisbury, Gay; Laney Salisbury (2003). The Cruelest Miles: The Heroic Story of Dogs and Men in a Race Against an Epidemic. W.W. Norton & Company. ISBN 978-0-393-01962-9.