The woman who was killed in a traffic crash on Connecticut Avenue on Friday was riding her motor scooter to a convention where she was to represent the Folger Shakespeare Library, her supervisor said.

Nadia Sophie Seiler was a rare materials cataloguer at the library on East Capitol Street SE, and was a “very, very capable person,” said the supervisor, Erin Blake.

She was valued for more than her ability to deal with and decipher old manuscripts, Blake said. Seiler, 36, had a beautiful smile and a “distinctive laugh” that delighted co-workers, Blake said.

At the Folger she quickly learned to unravel the script used in Shakespeare’s time for ordinary writing, Blake said. “It’s very difficult to read today,” and the ability to do so is “a rare skill,” Blake said.

Although cataloguers worked in a closed part of the library, they took turns in the reading room on Saturdays, enabling many people to get to know her, Blake said.

She lived in the Silver Spring-Wheaton area of Montgomery County and was to be married later this month, Blake said.

On Friday morning she was heading south on Connecticut to the convention of the Society of American Archivists at the Wardman Park Hotel, Blake said.

About 8:25 a.m. on Friday, D.C. police said, a truck turned left from northbound Connecticut onto 36th Street. It crossed into the path of the scooter, which collided with the truck, police said.

In an online posting, Seiler described herself as a “jack-of-all-trades” cataloguer archivist and paleographer.

“I love my work,” she said, adding “and what else was I going to do as a former literature major with a dabbling interest in art history?”