That is completely wrong. The list above posted by Angarian is correct.
I am using G-type lenses with several bodies on that list. So I can guarantee you that it is working.
Have also a look here:
They exist for many years. Looks like you have quite limited knowledge about Nikkor lenses.
And it looks like you are mixing up G-type and modern E-type lenses (with electromagnetic aperture). That is not automatically the same!
There are lots of G-type lenses, which are
not E-type.
They work at open aperture. Or stopped down when the stop down was done on a DSLR switched on, and then the lens taken off the camera (then the stopped down aperture will stay).
The Sigma Art 1.4/35 has the classic mechanical aperture lever! It can therefore be used without problems with the Nikon film SLRs listed above by Angarian.
No, the best bet is just to read all the easily available information. Or just ask the numerous photographers who are using that lens with their film cameras

.