| Summary: | Fullerenes, such as C<sub>60</sub>, are ideal systems to investigate energy redistribution following substantial excitation. Ultra-short and ultra-intense free electron lasers (FELs) have allowed molecular research in a new photon energy regime. FELs have allowed the study of the response of fullerenes to X-rays, which includes femtosecond multi-photon processes, as well as time-resolved ionization and fragmentation dynamics. This perspective: (1) provides a general introduction relevant to C<sub>60</sub> research using photon sources, (2) reports on two specific X-ray FEL-based photoionization investigations of C<sub>60</sub>, at two different FEL fluences, one static and one time-resolved, and (3) offers a brief analysis and recommendations for future research.
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