File:Frank Matcham by Langfier.jpg

Summary

 * Note there were at least 3 photographers named Langfier and the photo credit is just "Langfier".
 * Louis Saul died 1916
 * Louis Adolph died 1925
 * Pearl wife of Louis Saul, died in 1950s
 * The National Portrait Gallery notes that the business Langfier Ltd. operated between 1899 and 1941, and that it went into liquidation during World War II.


 * image discussion at FAC for further information about photo.