Copyright 2006 Society of Photo-Optical Instrumentation Engineers. This paper was published in Proceedings of SPIE 6326(2006)and is made avail- able as an electronic reprint with permission of SPIE. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited Preprint of: Robert N. C. Pfeifer, Timo A Nieminen, Norman R. Heckenberg, and Halina Rubinsztein -Dunlo Two controversies in classical electromagnetism Pro.SPlE6326,63260H(2006)Copyright 2006 Society of Photo-Optical Instrumentation Engineers. This paper was published in Proceedings of SPIE 6326 (2006) and is made avail￾able as an electronic reprint with permission of SPIE. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. Preprint of: Robert N. C. Pfeifer, Timo A. Nieminen, Norman R. Heckenberg, and Halina Rubinsztein-Dunlop “Two controversies in classical electromagnetism” Proc. SPIE 6326, 63260H (2006)