2. "Do you need the consent of the painter and calligrapher?" It is best to negotiate in advance, get consent and reach a consensus on how to pay royalties and how much to pay. If someone comes to you after the publication, the amount of compensation at that time is calculated according to the gains you get from the infringement or the losses suffered by the other party.
3. "If Lin Sanzhi dies, what will Jackson Pollock do abroad? I really want to put those calligraphy and painting. Is there any legal way? " ：
(1) Lin Sanzhi: You can contact his descendants. After his death, the property rights of his works will be protected for 50 years. Lin Sanzhi died in 1989, and we still need to find his descendants.
(2) Foreigner: You can get in touch with his agent, or you can wait for him to come to the door if you are afraid of trouble: it is also very troublesome for him to ask for infringement fees when he comes to the door. If you are a person, the amount you can claim is not large, and you may not come.
(4) The legal way is to consult the author in advance, sign a copyright use contract and pay royalties.