Exterior of the A. Godshaw Jewelry Store; Welwyn Garden City.

The store moved to larger quarters in the 1990s.

Portrait of Ernst Gottschalk with his wife Louise "Isa" nee Rosenthal; Welwyn Garden City, England.

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Wedding portrait of Freddy Gottschalk and Barbara Joan Doble with guests; Welwyn Garden City, England.

Portrait includes a number of family members who were able to get to England before the war and who chose to remain there.

Unidentified man, Elizabeth Krakauer nee Gottschalk and Hans Krakauer on board the ship Koenigstein traveling from Antwerp to New York City on their emigration voyage from Germany.

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Elisabet Eliasberg writing in her first American home after fleeing Hitler's Austria; 73 Payson Avenue, New York City Portraits Women

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Group portrait at the farewell banquet for Dr. William Antopol from the laboratory staff of Mount Sinai Hospital; Ken's Chop House, New York city Portraits Groups

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Albert Einstein with unidentified group; City College, New York Portraits Groups; Men

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Ed Sullivan being presented with a fancy layer cake from the Viennese Café Eclair in New York City for the 7th anniversary of the Ed Sullivan Show Entertainment

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Exterior of the A. Godshaw Jewelry Store; Welwyn Garden City.

The store moved to larger quarters in the 1990s.

Exterior of the A. Godshaw Jewelry Store; Welwyn Garden City.

The store moved to larger quarters in the 1990s.

What was behind the bark? : An assessment of decay among urban Tilia, Betula and Acer trees felled as hazardous in the Helsinki City area

Old trees growing in urban environments are often felled due to symptoms of mechanical defects that could be hazardous to people and property. The decisions concerning these removals are justified by risk assessments carried out by tree care professionals. The major motivation for this study was to determine the most common profiles of potential hazard characteristics for the three most common urban tree genera in Helsinki City: Tilia, Betula and Acer, and in this way improve management practices and protection of old amenity trees. For this research, material from approximately 250 urban trees was collected in cooperation with the City of Helsinki Public Works Department during 2001 - 2004. From the total number of trees sampled, approximately 70% were defined as hazardous. The tree species had characteristic features as potential hazard profiles. For Tilia trees, hollowed heartwood with low fungal activity and advanced decay caused by Ganoderma lipsiense were the two most common profiles. In Betula spp., the primary reason for tree removal was usually lowered amenity value in terms of decline of the crown. Internal cracks, most often due to weak fork formation, were common causes of potential failure in Acer spp. Decay caused by Rigidoporus populinus often increased the risk of stem breakage in these Acer trees. Of the decay fungi observed, G. lipsiense was most often the reason for the increased risk of stem collapse. Other fungi that also caused extensive decay were R. populinus, Inonotus obliquus, Kretzschmaria deusta and Phellinus igniarius. The most common decay fungi in terms of incidence were Pholiota spp., but decay caused by these species did not have a high potential for causing stem breakage, because it rarely extended to the cambium. The various evaluations used in the study suggested contradictions in felling decisions based on trees displaying different stages of decay. For protection of old urban trees, it is crucial to develop monitoring methods so that tree care professionals could better analyse the rate of decay progression towards the sapwood and separate those trees with decreasing amounts of sound wood from those with decay that is restricted to the heartwood area.

Wedding portrait of Freddy Gottschalk and Barbara Joan Doble with guests; Welwyn Garden City, England.

Portrait includes a number of family members who were able to get to England before the war and who chose to remain there.

Unidentified man, Elizabeth Krakauer nee Gottschalk and Hans Krakauer on board the ship Koenigstein traveling from Antwerp to New York City on their emigration voyage from Germany.

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