Greg Clark

Yuko Clark knew two sides to her husband, Greg. There was the carefree young man in the U.S. Navy who came to her closed snack stand in Japan, so handsome and tall that she climbed through a window to get into the locked cooking area to make him a pizza.

And there was the serious father of four, who went to work early as a computer technician at Cantor Fitzgerald and stayed there late, worried about layoffs and supporting his family.

"He just spoiled us all," said Yuko. "He let everybody walk all over him, and he'd be smiling. He just didn't mind helping people and sacrificing himself."

At home in Teaneck, N.J., Clark, 40, entertained his family after dinner by placing one hand on his rear and another on his head and singing in funny voices. He often brought his older children to his office on the 104th floor of One World Trade Center, and was the favorite playmate of his youngest daughter, Julie, 5.

An avid golfer, Clark grew up sneaking through the woods to get onto a golf course in his hometown of Haworth, N.J. Since becoming a parent, he golfed less, but still tried to foster a love of nature in his children. When the kids tired on walks, he'd pick them up--sometimes two at a time--and carry them home, his wife said.

Donald Delapenha

A 37-year-old former college football player nicknamed "Crusher," Donald Delapenha is nonetheless remembered by his friends and coworkers for his gentle manner.

"In our business there are a variety of people ... but Donny was a good guy," said coworker Eric Grubelich.

Delapenha was a vice president and head bond trader for Keefe, Bruyette & Woods, a financial services firm with offices in the World Trade Center.

"He was a salt-of-the-earth guy," said Grubelich. "He was always aboveboard when he worked with people. He was personable, always a gentleman."

Added college pal Rob Fredericks, "He was the guy who would avoid trouble, though he had the size to scare a lot of people."

Fredericks recalled a spring break when the two spent 48 hours in a car driving to Florida. "You get to know one another when you spend that much time together. I can't think of, in my lifetime, anyone like Donny. He was a true friend."

Delapenha grew up in New Jersey before heading to Ohio, where he played football at Baldwin-Wallace College. He married and had three children, whose faces adorned his office walls. The latest pictures were from a vacation they had just taken to Disneyland.

Known for his sense of humor, quick wit and kindness, Delapenha made his six officemates feel comfortable, said Grubelich, the only one of the seven to survive the attacks.

"We were a close-knit team," he said. "I'll remember him most for being a decent guy."

Luke Dudek

Sept. 11 was supposed to be a day of happiness and achievement for Luke Dudek, 50, and his domestic partner of 20 years, George Cuellar. That day, after years of planning, they opened the doors of their high-end floral design shop in New Jersey.

"This was my dream and Luke wanted me to be happy," said Cuellar.