I am looking to use a figure for my thesis.
The figure itself is however (heavily) adapted from another paper.
I am fine with reaching out to get permissions from both authors, but I am unsure if I need to. Who owns those rights?
Additionally, I am unsure about how to write that permission was given. Right now, I have:
The diagram is reproduced from X, but is adapted from the work of Y. Permission from both publishers was given.