<Tr> <Td> 1944--1945 </Td> <Td_colspan="6"> No competition held due to World War II </Td> </Tr> <Tr> <Td> 1946 </Td> <Td> Chicago </Td> <Td> John Lettengarver </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> 1947 </Td> <Td> Berkeley </Td> <Td> Robert Swenning </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> 1948 </Td> <Td> Colorado Springs </Td> <Td> Hayes Jenkins </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr>

Who won the women's national figure skating