This is an announcement for the paper "Commutators on $\ell_{\infty}$" by Detelin Dosev and William B. Johnson. Abstract: The operators on $\ell_{\infty}$ which are commutators are those not of the form $\lambda I + S$ with $\lambda\neq 0$ and $S$ strictly singular. Archive classification: math.FA Mathematics Subject Classification: 47B47 Remarks: 15 pages. Submitted to the Journal of Functional Analysis The source file(s), EllInfinityPaper_Final.tex: 55359 bytes, is(are) stored in gzipped form as 0904.3120.gz with size 16kb. The corresponding postcript file has gzipped size 103kb. Submitted from: ddosev@gmail.com The paper may be downloaded from the archive by web browser from URL http://front.math.ucdavis.edu/0904.3120 or http://arXiv.org/abs/0904.3120 or by email in unzipped form by transmitting an empty message with subject line uget 0904.3120 or in gzipped form by using subject line get 0904.3120 to: math@arXiv.org.