Frederick Methvan Whyte
Frederick Methvan Whyte (March 2, 1865 – 1941 Athens) was a mechanical engineer of Dutch background who worked for the New York Central in the United States. He is most widely known as the person who developed Whyte notation to describe the different wheel arrangements of steam locomotives in 1900.
Yat
Its retention without discussion in the Petrine reform of the Russian alphabet of 1708 indicates that it then still marked a distinct sound in the Moscow "koiné" of the time. By the second half of the 18th century, however, the polymath Lomonosov (c. 1765) noted that the sound of ѣ was scarcely distinguishable from that of the letter е, and a century later (1878) the philologist Grot stated flatly in his standard "Russian orthography" (, , ) that in the common language there was no difference whatsoever between their pronunciations. However, dialectal studies have shown that, in certain regional dialects, a degree of oral distinction is retained even today in syllables once denoted with ѣ.