I’ve been messing around with it for the first time… props to whoever thought it up.
Look at this thread
The quick answer. Nicholas Bishop creator of Sharp Construct.
Nicholas came up with Blender’s implementation, which is a tremendous task in itself, however the idea of pushing and pulling vertices on a mesh with the mouse has been around for quite a long time (Amapi, Maya artisan, etc).
I think cavemen thought of sculpt mode first…
well God if you want to be technical
bahahaha. this made my day.