Monomeric DsRed (mRFP), first photoconverible (Kaede), and photoactivatable (PA-GFP ) FPs created.

References:
RE Campbell, O Tour, AE Palmer, PA Steinbach, GS Baird, DA Zacharias, RY Tsien: A monomeric red fluorescent protein. Proceedings of the National Academy of Sciences of the United States of America 99 (2002) 7877-82.
H Mizuno, TK Mal, KI Tong, R Ando, T Furuta, M Ikura, A Miyawakil: Photo-induced peptide cleavage in the green-to-red conversion of a fluorescent protein. Molecular Cell 12 (2003) 1051-58.
GH Patterson, J Lippincott-Schwartz: A photoactivatable GFP for selective photolabeling of proteins and cells. Science 297 (2002) 1873-77.