these were brought up as scientific frauds by some creationists in another discussion:
- Paul Kammerer, who allegedly manufactured nuptial pads on the feet of midwife toads
- Reiner Protsch, who falsified and manipulated dating of human fossils
- Viswat Jit Gupta, Indian professor, who also falsified some fossils
- Charles Darwin, who retouched photographs of human and ape's facial expressions
- the stuff already discussed here - Piltdown skull, Archeraptor, Haeckel's embryos, pepper moth
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I think, that Kammerer's case is not so clear and maybe it was not his fraud or perhaps it was not any fraud after all
(
Lamarckian Experimentalist Paul Kammerer - Fraud Or Founder Of Epigenetics? | Science 2.0)
Protsch - OK, fraud
Gupta - don't know any details
Darwin - don't know what is supposed to be fradulent in this case