A letter was read from Mr. John Walkden, son-in-law of Mr. Wm. Bruce, 1st. Vice-President of the Society, stating that Mr. Bruce is entirely incapacitated by illness from which he is unlikely to recover in this his 94th year, and requesting that his name be withdrawn from the list of active Members. It was moved by Mr. Miller, seconded by Mr. Hassard, that the withdrawal be accepted with regret, but that in view of the services he had so willingly rendered the Society, Mr.

Otto Wilhelm von Struvé (May 7, 1819 (Julian calendar: April 25) – April 14, 1905) was a Russian astronomer. In Russian, his name is normally given as Otto Vasil'evich Struvé. Together with his father, Friedrich Georg Wilhelm von Struvé, Otto Wilhelm von Struvé is considered a prominent 19th century astronomer who headed the Pulkovo Observatory between 1862 and 1889 and was a leading member of the Russian Academy of Sciences.

Edward Charles Pickering (July 19, 1846–February 3, 1919) was an American astronomer and physicist, brother of William Henry Pickering.

Along with Carl Vogel, Pickering discovered the first spectroscopic binary stars. He wrote Elements of Physical Manipulations (2 vol., 1873–76).

Simon Newcomb (March 12, 1835 – July 11, 1909) was a Canadian-American astronomer and mathematician. Though he had little conventional schooling, he made important contributions to timekeeping as well as writing on economics and statistics and authoring a science fiction novel.

At the meeting of 1890-10-07, among the communications read was one from Joseph Morrison, M.A., M.D., Ph.D., F.R.A.S., Assistant at the American Nautical Almanac Office, Washington, U.S.A., desiring the Society to accept a copy of the American Ephemeris and Nautical Almanac for 1890, 1891, and 1892, and of The Almanac for 1893; also of the Report of the Observations of the Total Eclipse of the Sun, 1889. The thanks of the Society were voted to Dr. Morrison, who, it was announced, was a native of Toronto.

Samuel Pierpont Langley (August 22, 1834, Roxbury, Massachusetts – February 27, 1906, Aiken, South Carolina) was an American astronomer, physicist, inventor of the bolometer and pioneer of aviation. He attended Boston Latin School, graduated from English High School of Boston, was an assistant in the Harvard College Observatory, then moved to a job ostensibly as a professor of mathematics at the United States Naval Academy, but actually was sent there to restore the Academy's small observatory.

Daniel Kirkwood (September 27, 1814 - June 11, 1895) was an American astronomer. Born in Harford County, MD, he was graduated in mathematics from the York County Academy in York, PA in 1838. After teaching there for five years, he became Principal of the Lancaster High School in Lancaster, PA, and after another five years he moved on to become Principal of the Pottsville Academy.