Mikhail Kalatozov (1903 - 1973) was a native Ukrainian film director... and from the few films of his I've seen, probably the best Soviet director ever. Below are films he directed according to Wikipedia.
Here are some screenshots I took from his three masterpieces....
I Am Cuba (1964) -
https://goo.gl/photos/j7xj8AhqH5475c158
Letter Never Sent (1959) -
https://goo.gl/photos/UWtwP2T8UPmbqneg6
The Cranes Are Flying (1957) -
https://goo.gl/photos/rCUeYK2WkgZ3gDXR6